61959142 has 32 divisors (see below), whose sum is σ = 110223360. Its totient is φ = 25561440.

The previous prime is 61959137. The next prime is 61959179. The reversal of 61959142 is 24195916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159084 + ... + 159472.

It is an arithmetic number, because the mean of its divisors is an integer number (3444480).

Almost surely, 2^61959142 is an apocalyptic number.

61959142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61959142 is a deficient number, since it is larger than the sum of its proper divisors (48264218).

61959142 is a wasteful number, since it uses less digits than its factorization.

61959142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its digits is 19440, while the sum is 37.

The square root of 61959142 is about 7871.4129608349. The cubic root of 61959142 is about 395.7022001772.

It can be divided in two parts, 6195914 and 2, that added together give a palindrome (6195916).

The spelling of 61959142 in words is "sixty-one million, nine hundred fifty-nine thousand, one hundred forty-two".