625487 has 4 divisors (see below), whose sum is σ = 645696. Its totient is φ = 605280.

The previous prime is 625483. The next prime is 625489. The reversal of 625487 is 784526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784526 = 2 ⋅392263.

It is a cyclic number.

It is not a de Polignac number, because 625487 - 2² = 625483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625487.

It is not an unprimeable number, because it can be changed into a prime (625483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10058 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (161424).

2⁶²⁵⁴⁸⁷ is an apocalyptic number.

625487 is a deficient number, since it is larger than the sum of its proper divisors (20209).

625487 is a wasteful number, since it uses less digits than its factorization.

625487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20208.

The product of its digits is 13440, while the sum is 32.

The square root of 625487 is about 790.8773609100. The cubic root of 625487 is about 85.5209984561.

The spelling of 625487 in words is "six hundred twenty-five thousand, four hundred eighty-seven".