65422539 has 32 divisors (see below), whose sum is σ = 119293440. Its totient is φ = 34507296.

The previous prime is 65422517. The next prime is 65422547. The reversal of 65422539 is 93522456.

It is not a de Polignac number, because 65422539 - 2⁸ = 65422283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65422639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10857 + ... + 15770.

It is an arithmetic number, because the mean of its divisors is an integer number (3727920).

Almost surely, 2^65422539 is an apocalyptic number.

65422539 is a deficient number, since it is larger than the sum of its proper divisors (53870901).

65422539 is a wasteful number, since it uses less digits than its factorization.

65422539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26656 (or 26650 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 65422539 is about 8088.4200558576. The cubic root of 65422539 is about 402.9419324537.

The spelling of 65422539 in words is "sixty-five million, four hundred twenty-two thousand, five hundred thirty-nine".