612214425 has 18 divisors (see below), whose sum is σ = 1096544462. Its totient is φ = 326514240.

The previous prime is 612214373. The next prime is 612214453. The reversal of 612214425 is 524412216.

612214425 is a `hidden beast` number, since 612 + 2 + 1 + 4 + 42 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 97344 + 612117081 = 312^2 + 24741^2 .

It is not a de Polignac number, because 612214425 - 2⁷ = 612214297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1360252 + ... + 1360701.

Almost surely, 2^612214425 is an apocalyptic number.

It is an amenable number.

612214425 is a deficient number, since it is larger than the sum of its proper divisors (484330037).

612214425 is a wasteful number, since it uses less digits than its factorization.

612214425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720969 (or 2720961 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 612214425 is about 24742.9671826158. The cubic root of 612214425 is about 849.1176195012.

It can be divided in two parts, 612 and 214425, that multiplied together give a triangular number (131228100 = T₁₆₂₀₀).

The spelling of 612214425 in words is "six hundred twelve million, two hundred fourteen thousand, four hundred twenty-five".