61012504 has 16 divisors (see below), whose sum is σ = 130741200. Its totient is φ = 26148192.

The previous prime is 61012499. The next prime is 61012513. The reversal of 61012504 is 40521016.

61012504 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 3 ways as a sum of consecutive naturals, for example, 544699 + ... + 544810.

It is an arithmetic number, because the mean of its divisors is an integer number (8171325).

Almost surely, 2^61012504 is an apocalyptic number.

It is an amenable number.

61012504 is an abundant number, since it is smaller than the sum of its proper divisors (69728696).

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

61012504 is a wasteful number, since it uses less digits than its factorization.

61012504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089522 (or 1089518 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61012504 is about 7811.0501214625. The cubic root of 61012504 is about 393.6766137189.

It can be divided in two parts, 61012 and 504, that added together give a palindrome (61516).

The spelling of 61012504 in words is "sixty-one million, twelve thousand, five hundred four".