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625972933 is a prime number
BaseRepresentation
bin100101010011111…
…001011011000101
31121121212201102201
4211103321123011
52240222113213
6142040434501
721340452655
oct4523713305
91547781381
10625972933
112a1388803
12155778a31
139c8c08b1
145d1c8365
1539e4d6dd
hex254f96c5

625972933 has 2 divisors, whose sum is σ = 625972934. Its totient is φ = 625972932.

The previous prime is 625972909. The next prime is 625972943. The reversal of 625972933 is 339279526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472758049 + 153214884 = 21743^2 + 12378^2 .

It is a cyclic number.

It is not a de Polignac number, because 625972933 - 29 = 625972421 is a prime.

It is a super-2 number, since 2×6259729332 = 783684225697244978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625972943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312986466 + 312986467.

It is an arithmetic number, because the mean of its divisors is an integer number (312986467).

Almost surely, 2625972933 is an apocalyptic number.

It is an amenable number.

625972933 is a deficient number, since it is larger than the sum of its proper divisors (1).

625972933 is an equidigital number, since it uses as much as digits as its factorization.

625972933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 625972933 is about 25019.4510930995. The cubic root of 625972933 is about 855.4313945351.

The spelling of 625972933 in words is "six hundred twenty-five million, nine hundred seventy-two thousand, nine hundred thirty-three".