625507 has 2 divisors, whose sum is σ = 625508. Its totient is φ = 625506.

The previous prime is 625489. The next prime is 625517. The reversal of 625507 is 705526.

It is a happy number.

625507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625507 is a prime.

It is not a weakly prime, because it can be changed into another prime (625517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312753 + 312754.

It is an arithmetic number, because the mean of its divisors is an integer number (312754).

2⁶²⁵⁵⁰⁷ is an apocalyptic number.

625507 is a deficient number, since it is larger than the sum of its proper divisors (1).

625507 is an equidigital number, since it uses as much as digits as its factorization.

625507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 625507 is about 790.8900049944. The cubic root of 625507 is about 85.5219099601.

The spelling of 625507 in words is "six hundred twenty-five thousand, five hundred seven".