61500504 has 32 divisors (see below), whose sum is σ = 165579120. Its totient is φ = 18923136.

The previous prime is 61500463. The next prime is 61500521. The reversal of 61500504 is 40500516.

It is a happy number.

61500504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 98247 + ... + 98870.

Almost surely, 2^61500504 is an apocalyptic number.

It is an amenable number.

61500504 is an abundant number, since it is smaller than the sum of its proper divisors (104078616).

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

61500504 is a wasteful number, since it uses less digits than its factorization.

61500504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197139 (or 197135 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 61500504 is about 7842.2257044796. The cubic root of 61500504 is about 394.7234169114.

The spelling of 61500504 in words is "sixty-one million, five hundred thousand, five hundred four".