612010625 has 20 divisors (see below), whose sum is σ = 809768916. Its totient is φ = 460800000.

The previous prime is 612010603. The next prime is 612010627. The reversal of 612010625 is 526010216.

It can be written as a sum of positive squares in 10 ways, for example, as 157979761 + 454030864 = 12569^2 + 21308^2 .

It is not a de Polignac number, because 612010625 - 2⁶ = 612010561 is a prime.

It is a super-2 number, since 2×612010625² = 749114010225781250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612010625.

It is not an unprimeable number, because it can be changed into a prime (612010627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18176 + ... + 39425.

Almost surely, 2^612010625 is an apocalyptic number.

It is an amenable number.

612010625 is a deficient number, since it is larger than the sum of its proper divisors (197758291).

612010625 is an equidigital number, since it uses as much as digits as its factorization.

612010625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57638 (or 57623 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 612010625 is about 24738.8484978586. The cubic root of 612010625 is about 849.0233881505.

The spelling of 612010625 in words is "six hundred twelve million, ten thousand, six hundred twenty-five".