61285932 has 72 divisors (see below), whose sum is σ = 163800000. Its totient is φ = 19289088.

The previous prime is 61285919. The next prime is 61285943. The reversal of 61285932 is 23958216.

61285932 is a `hidden beast` number, since 61 + 2 + 8 + 593 + 2 = 666.

61285932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61285932² = 7511930922217248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 48444 + ... + 49692.

It is an arithmetic number, because the mean of its divisors is an integer number (2275000).

Almost surely, 2^61285932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61285932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81900000).

61285932 is an abundant number, since it is smaller than the sum of its proper divisors (102514068).

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

61285932 is a wasteful number, since it uses less digits than its factorization.

61285932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1330 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 61285932 is about 7828.5331959442. The cubic root of 61285932 is about 394.2638256370.

The spelling of 61285932 in words is "sixty-one million, two hundred eighty-five thousand, nine hundred thirty-two".