61504264 has 16 divisors (see below), whose sum is σ = 118133820. Its totient is φ = 30001920.

The previous prime is 61504243. The next prime is 61504271. The reversal of 61504264 is 46240516.

61504264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61308900 + 195364 = 7830^2 + 442^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93429 + ... + 94084.

Almost surely, 2^61504264 is an apocalyptic number.

It is an amenable number.

61504264 is a deficient number, since it is larger than the sum of its proper divisors (56629556).

61504264 is a wasteful number, since it uses less digits than its factorization.

61504264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187560 (or 187556 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 61504264 is about 7842.4654286774. The cubic root of 61504264 is about 394.7314609094.

The spelling of 61504264 in words is "sixty-one million, five hundred four thousand, two hundred sixty-four".