1513064256 has 56 divisors (see below), whose sum is σ = 4367259744. Its totient is φ = 458503680.

The previous prime is 1513064249. The next prime is 1513064281. The reversal of 1513064256 is 6524603151.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 356095 + ... + 360318.

Almost surely, 2^1513064256 is an apocalyptic number.

1513064256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1513064256 is an abundant number, since it is smaller than the sum of its proper divisors (2854195488).

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

1513064256 is a wasteful number, since it uses less digits than its factorization.

1513064256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716439 (or 716429 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1513064256 is about 38898.1266386956. The cubic root of 1513064256 is about 1148.0279386338.

The spelling of 1513064256 in words is "one billion, five hundred thirteen million, sixty-four thousand, two hundred fifty-six".