64510512 has 80 divisors (see below), whose sum is σ = 192523392. Its totient is φ = 18396160.

The previous prime is 64510421. The next prime is 64510519. The reversal of 64510512 is 21501546.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64510519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5383 + ... + 12569.

Almost surely, 2^64510512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64510512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96261696).

64510512 is an abundant number, since it is smaller than the sum of its proper divisors (128012880).

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

64510512 is a wasteful number, since it uses less digits than its factorization.

64510512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226 (or 7220 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 64510512 is about 8031.8436239758. The cubic root of 64510512 is about 401.0607511973.

The spelling of 64510512 in words is "sixty-four million, five hundred ten thousand, five hundred twelve".