65061388 has 24 divisors (see below), whose sum is σ = 135781632. Its totient is φ = 26670864.

The previous prime is 65061379. The next prime is 65061401. The reversal of 65061388 is 88316056.

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, 49870 + ... + 51157.

It is an arithmetic number, because the mean of its divisors is an integer number (5657568).

Almost surely, 2^65061388 is an apocalyptic number.

It is an amenable number.

65061388 is an abundant number, since it is smaller than the sum of its proper divisors (70720244).

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

65061388 is a wasteful number, since it uses less digits than its factorization.

65061388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101061 (or 101059 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 65061388 is about 8066.0639719754. The cubic root of 65061388 is about 402.1991126029.

The spelling of 65061388 in words is "sixty-five million, sixty-one thousand, three hundred eighty-eight".