61261132 has 24 divisors (see below), whose sum is σ = 113778000. Its totient is φ = 28761600.

The previous prime is 61261097. The next prime is 61261157. The reversal of 61261132 is 23116216.

61261132 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 7 ways as a sum of consecutive naturals, for example, 40119 + ... + 41617.

It is an arithmetic number, because the mean of its divisors is an integer number (4740750).

Almost surely, 2^61261132 is an apocalyptic number.

It is an amenable number.

61261132 is a deficient number, since it is larger than the sum of its proper divisors (52516868).

61261132 is a wasteful number, since it uses less digits than its factorization.

61261132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2119 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 61261132 is about 7826.9490863299. The cubic root of 61261132 is about 394.2106374542.

Adding to 61261132 its reverse (23116216), we get a palindrome (84377348).

The spelling of 61261132 in words is "sixty-one million, two hundred sixty-one thousand, one hundred thirty-two".