612166025 has 6 divisors (see below), whose sum is σ = 759085902. Its totient is φ = 489732800.

The previous prime is 612166019. The next prime is 612166031. The reversal of 612166025 is 520661216.

612166025 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 (612166019) and next prime (612166031).

It can be written as a sum of positive squares in 3 ways, for example, as 160858489 + 451307536 = 12683^2 + 21244^2 .

It is not a de Polignac number, because 612166025 - 2¹⁸ = 611903881 is a prime.

It is a Duffinian number.

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, 12243296 + ... + 12243345.

It is an arithmetic number, because the mean of its divisors is an integer number (126514317).

Almost surely, 2^612166025 is an apocalyptic number.

It is an amenable number.

612166025 is a deficient number, since it is larger than the sum of its proper divisors (146919877).

612166025 is a wasteful number, since it uses less digits than its factorization.

612166025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486651 (or 24486646 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 612166025 is about 24741.9891075879. The cubic root of 612166025 is about 849.0952426051.

The spelling of 612166025 in words is "six hundred twelve million, one hundred sixty-six thousand, twenty-five".