61135532 has 12 divisors (see below), whose sum is σ = 109263840. Its totient is φ = 29917296.

The previous prime is 61135531. The next prime is 61135549. The reversal of 61135532 is 23553116.

It is not an unprimeable number, because it can be changed into a prime (61135531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162407 + ... + 162782.

It is an arithmetic number, because the mean of its divisors is an integer number (9105320).

Almost surely, 2^61135532 is an apocalyptic number.

It is an amenable number.

61135532 is a deficient number, since it is larger than the sum of its proper divisors (48128308).

61135532 is a wasteful number, since it uses less digits than its factorization.

61135532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325240 (or 325238 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 61135532 is about 7818.9214089924. The cubic root of 61135532 is about 393.9410443708.

Adding to 61135532 its reverse (23553116), we get a palindrome (84688648).

The spelling of 61135532 in words is "sixty-one million, one hundred thirty-five thousand, five hundred thirty-two".