65242856 has 16 divisors (see below), whose sum is σ = 139806240. Its totient is φ = 27961200.

The previous prime is 65242831. The next prime is 65242867. The reversal of 65242856 is 65824256.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582470 + ... + 582581.

It is an arithmetic number, because the mean of its divisors is an integer number (8737890).

Almost surely, 2^65242856 is an apocalyptic number.

It is an amenable number.

65242856 is an abundant number, since it is smaller than the sum of its proper divisors (74563384).

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

65242856 is a wasteful number, since it uses less digits than its factorization.

65242856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165064 (or 1165060 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 65242856 is about 8077.3049960986. The cubic root of 65242856 is about 402.5727008834.

The spelling of 65242856 in words is "sixty-five million, two hundred forty-two thousand, eight hundred fifty-six".