61239252 has 24 divisors (see below), whose sum is σ = 144205600. Its totient is φ = 20225376.

The previous prime is 61239251. The next prime is 61239257. The reversal of 61239252 is 25293216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61239251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22102 + ... + 24717.

Almost surely, 2^61239252 is an apocalyptic number.

It is an amenable number.

61239252 is an abundant number, since it is smaller than the sum of its proper divisors (82966348).

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

61239252 is a wasteful number, since it uses less digits than its factorization.

61239252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46935 (or 46933 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 61239252 is about 7825.5512265910. The cubic root of 61239252 is about 394.1636998308.

The spelling of 61239252 in words is "sixty-one million, two hundred thirty-nine thousand, two hundred fifty-two".