61235253 has 24 divisors (see below), whose sum is σ = 90443808. Its totient is φ = 39913632.

The previous prime is 61235243. The next prime is 61235267. The reversal of 61235253 is 35253216.

It is not a de Polignac number, because 61235253 - 2⁸ = 61234997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61235203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104026 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (3768492).

Almost surely, 2^61235253 is an apocalyptic number.

It is an amenable number.

61235253 is a deficient number, since it is larger than the sum of its proper divisors (29208555).

61235253 is a wasteful number, since it uses less digits than its factorization.

61235253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 830 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 61235253 is about 7825.2957132622. The cubic root of 61235253 is about 394.1551198493.

Adding to 61235253 its reverse (35253216), we get a palindrome (96488469).

The spelling of 61235253 in words is "sixty-one million, two hundred thirty-five thousand, two hundred fifty-three".