65122425 has 72 divisors (see below), whose sum is σ = 122563584. Its totient is φ = 33022080.

The previous prime is 65122417. The next prime is 65122451. The reversal of 65122425 is 52422156.

65122425 is a `hidden beast` number, since 651 + 2 + 2 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 65122425 - 2³ = 65122417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 512712 + ... + 512838.

It is an arithmetic number, because the mean of its divisors is an integer number (1702272).

Almost surely, 2^65122425 is an apocalyptic number.

It is an amenable number.

65122425 is a deficient number, since it is larger than the sum of its proper divisors (57441159).

65122425 is a wasteful number, since it uses less digits than its factorization.

65122425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 231 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 65122425 is about 8069.8466528181. The cubic root of 65122425 is about 402.3248469549.

It can be divided in two parts, 651224 and 25, that added together give a square (651249 = 807²).

The spelling of 65122425 in words is "sixty-five million, one hundred twenty-two thousand, four hundred twenty-five".