65404052 has 24 divisors (see below), whose sum is σ = 130979520. Its totient is φ = 27993600.

The previous prime is 65404013. The next prime is 65404063. The reversal of 65404052 is 25040456.

It is a congruent number.

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, 40052 + ... + 41652.

It is an arithmetic number, because the mean of its divisors is an integer number (5457480).

Almost surely, 2^65404052 is an apocalyptic number.

It is an amenable number.

65404052 is an abundant number, since it is smaller than the sum of its proper divisors (65575468).

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

65404052 is a wasteful number, since it uses less digits than its factorization.

65404052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 65404052 is about 8087.2771684913. The cubic root of 65404052 is about 402.9039746419.

The spelling of 65404052 in words is "sixty-five million, four hundred four thousand, fifty-two".