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625010863 is a prime number
BaseRepresentation
bin100101010000001…
…110100010101111
31121120001211201111
4211100032202233
52240000321423
6142004052451
721326335051
oct4520164257
91546054644
10625010863
112a0890a04
12155394127
139c644a19
145d0178d1
1539d0d60d
hex2540e8af

625010863 has 2 divisors, whose sum is σ = 625010864. Its totient is φ = 625010862.

The previous prime is 625010849. The next prime is 625010873. The reversal of 625010863 is 368010526.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-625010863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625010843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312505431 + 312505432.

It is an arithmetic number, because the mean of its divisors is an integer number (312505432).

Almost surely, 2625010863 is an apocalyptic number.

625010863 is a deficient number, since it is larger than the sum of its proper divisors (1).

625010863 is an equidigital number, since it uses as much as digits as its factorization.

625010863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 625010863 is about 25000.2172590560. The cubic root of 625010863 is about 854.9929267680.

The spelling of 625010863 in words is "six hundred twenty-five million, ten thousand, eight hundred sixty-three".