625105427 has 2 divisors, whose sum is σ = 625105428. Its totient is φ = 625105426.

The previous prime is 625105423. The next prime is 625105441. The reversal of 625105427 is 724501526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625105427 - 2² = 625105423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625105393 and 625105402.

It is not a weakly prime, because it can be changed into another prime (625105423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312552713 + 312552714.

It is an arithmetic number, because the mean of its divisors is an integer number (312552714).

Almost surely, 2^625105427 is an apocalyptic number.

625105427 is a deficient number, since it is larger than the sum of its proper divisors (1).

625105427 is an equidigital number, since it uses as much as digits as its factorization.

625105427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 625105427 is about 25002.1084510887. The cubic root of 625105427 is about 855.0360446713.

The spelling of 625105427 in words is "six hundred twenty-five million, one hundred five thousand, four hundred twenty-seven".