65525424 has 40 divisors (see below), whose sum is σ = 169565040. Its totient is φ = 21804288.

The previous prime is 65525401. The next prime is 65525431. The reversal of 65525424 is 42452556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50674 + ... + 51950.

It is an arithmetic number, because the mean of its divisors is an integer number (4239126).

Almost surely, 2^65525424 is an apocalyptic number.

It is an amenable number.

65525424 is an abundant number, since it is smaller than the sum of its proper divisors (104039616).

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

65525424 is a wasteful number, since it uses less digits than its factorization.

65525424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357 (or 2351 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 65525424 is about 8094.7775756966. Note that the first 3 decimals coincide. The cubic root of 65525424 is about 403.1530470961.

The spelling of 65525424 in words is "sixty-five million, five hundred twenty-five thousand, four hundred twenty-four".