625477 has 2 divisors, whose sum is σ = 625478. Its totient is φ = 625476.

The previous prime is 625451. The next prime is 625483. The reversal of 625477 is 774526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408321 + 217156 = 639^2 + 466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312738 + 312739.

It is an arithmetic number, because the mean of its divisors is an integer number (312739).

2⁶²⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

625477 is a deficient number, since it is larger than the sum of its proper divisors (1).

625477 is an equidigital number, since it uses as much as digits as its factorization.

625477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 625477 is about 790.8710387920. The cubic root of 625477 is about 85.5205426968.

The spelling of 625477 in words is "six hundred twenty-five thousand, four hundred seventy-seven".