61172514 has 48 divisors (see below), whose sum is σ = 150259200. Its totient is φ = 17830368.

The previous prime is 61172509. The next prime is 61172549. The reversal of 61172514 is 41527116.

It is a happy number.

61172514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 2434 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (3130400).

Almost surely, 2^61172514 is an apocalyptic number.

61172514 is an abundant number, since it is smaller than the sum of its proper divisors (89086686).

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

61172514 is a wasteful number, since it uses less digits than its factorization.

61172514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799 (or 13796 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 61172514 is about 7821.2859556469. The cubic root of 61172514 is about 394.0204624036.

The spelling of 61172514 in words is "sixty-one million, one hundred seventy-two thousand, five hundred fourteen".