61051264 has 32 divisors (see below), whose sum is σ = 125827200. Its totient is φ = 29471232.

The previous prime is 61051229. The next prime is 61051297. The reversal of 61051264 is 46215016.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4512 + ... + 11935.

It is an arithmetic number, because the mean of its divisors is an integer number (3932100).

Almost surely, 2^61051264 is an apocalyptic number.

61051264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61051264 is an abundant number, since it is smaller than the sum of its proper divisors (64775936).

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

61051264 is a wasteful number, since it uses less digits than its factorization.

61051264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490 (or 16478 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61051264 is about 7813.5308279932. The cubic root of 61051264 is about 393.7599609809.

The spelling of 61051264 in words is "sixty-one million, fifty-one thousand, two hundred sixty-four".