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7625971253 is a prime number
BaseRepresentation
bin1110001101000101…
…10001011000110101
3201200110121110220202
413012202301120311
5111104222040003
63300415010245
7356656454225
oct70642613065
921613543822
107625971253
11326373108a
121589b09985
13946bc5b34
14524b44085
152e9767088
hex1c68b1635

7625971253 has 2 divisors, whose sum is σ = 7625971254. Its totient is φ = 7625971252.

The previous prime is 7625971219. The next prime is 7625971273. The reversal of 7625971253 is 3521795267.

7625971253 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5373329809 + 2252641444 = 73303^2 + 47462^2 .

It is a cyclic number.

It is not a de Polignac number, because 7625971253 - 220 = 7624922677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7625971198 and 7625971207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7625971273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3812985626 + 3812985627.

It is an arithmetic number, because the mean of its divisors is an integer number (3812985627).

Almost surely, 27625971253 is an apocalyptic number.

It is an amenable number.

7625971253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7625971253 is an equidigital number, since it uses as much as digits as its factorization.

7625971253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The square root of 7625971253 is about 87326.8071842776. The cubic root of 7625971253 is about 1968.3321581604.

The spelling of 7625971253 in words is "seven billion, six hundred twenty-five million, nine hundred seventy-one thousand, two hundred fifty-three".