625206490 has 12 divisors (see below), whose sum is σ = 1125514026. Its totient is φ = 250050968.

The previous prime is 625206469. The next prime is 625206511. The reversal of 625206490 is 94602526.

625206490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (625206469) and next prime (625206511).

It can be written as a sum of positive squares in only one way, i.e., 562685841 + 62520649 = 23721^2 + 7907^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75117 + ... + 83023.

Almost surely, 2^625206490 is an apocalyptic number.

625206490 is a deficient number, since it is larger than the sum of its proper divisors (500307536).

625206490 is an frugal number, since it uses more digits than its factorization.

625206490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821 (or 7914 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 625206490 is about 25004.1294589514. The cubic root of 625206490 is about 855.0821210863.

The spelling of 625206490 in words is "six hundred twenty-five million, two hundred six thousand, four hundred ninety".