612626025 has 144 divisors (see below), whose sum is σ = 1244973888. Its totient is φ = 264844800.

The previous prime is 612626009. The next prime is 612626041. The reversal of 612626025 is 520626216.

612626025 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 (612626009) and next prime (612626041).

It is not a de Polignac number, because 612626025 - 2⁴ = 612626009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612625983 and 612626001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32243466 + ... + 32243484.

It is an arithmetic number, because the mean of its divisors is an integer number (8645652).

Almost surely, 2^612626025 is an apocalyptic number.

It is an amenable number.

612626025 is an abundant number, since it is smaller than the sum of its proper divisors (632347863).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612626025 is a wasteful number, since it uses less digits than its factorization.

612626025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 612626025 is about 24751.2833000635. The cubic root of 612626025 is about 849.3078679411.

The spelling of 612626025 in words is "six hundred twelve million, six hundred twenty-six thousand, twenty-five".