61534244 has 12 divisors (see below), whose sum is σ = 108895500. Its totient is φ = 30421248.

The previous prime is 61534189. The next prime is 61534273. The reversal of 61534244 is 44243516.

It can be written as a sum of positive squares in 2 ways, for example, as 10240000 + 51294244 = 3200^2 + 7162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86069 + ... + 86780.

It is an arithmetic number, because the mean of its divisors is an integer number (9074625).

Almost surely, 2^61534244 is an apocalyptic number.

It is an amenable number.

61534244 is a deficient number, since it is larger than the sum of its proper divisors (47361256).

61534244 is a wasteful number, since it uses less digits than its factorization.

61534244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172942 (or 172940 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 61534244 is about 7844.3765845349. The cubic root of 61534244 is about 394.7955872324.

The spelling of 61534244 in words is "sixty-one million, five hundred thirty-four thousand, two hundred forty-four".