65513004 has 12 divisors (see below), whose sum is σ = 152863704. Its totient is φ = 21837664.

The previous prime is 65513003. The next prime is 65513023. The reversal of 65513004 is 40031556.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (65513003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729697 + ... + 2729720.

It is an arithmetic number, because the mean of its divisors is an integer number (12738642).

Almost surely, 2^65513004 is an apocalyptic number.

It is an amenable number.

65513004 is an abundant number, since it is smaller than the sum of its proper divisors (87350700).

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

65513004 is a wasteful number, since it uses less digits than its factorization.

65513004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459424 (or 5459422 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 65513004 is about 8094.0103780512. The cubic root of 65513004 is about 403.1275736390.

The spelling of 65513004 in words is "sixty-five million, five hundred thirteen thousand, four".