64513004 has 12 divisors (see below), whose sum is σ = 112954800. Its totient is φ = 32240208.

The previous prime is 64513003. The next prime is 64513013. The reversal of 64513004 is 40031546.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64513003) 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, 11177 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (9412900).

Almost surely, 2^64513004 is an apocalyptic number.

It is an amenable number.

64513004 is a deficient number, since it is larger than the sum of its proper divisors (48441796).

64513004 is a wasteful number, since it uses less digits than its factorization.

64513004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152 (or 8150 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64513004 is about 8031.9987549800. The cubic root of 64513004 is about 401.0659153713.

The spelling of 64513004 in words is "sixty-four million, five hundred thirteen thousand, four".