113521253 has 2 divisors, whose sum is σ = 113521254. Its totient is φ = 113521252.

The previous prime is 113521241. The next prime is 113521259. The reversal of 113521253 is 352125311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95687524 + 17833729 = 9782^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 113521253 - 2⁸ = 113520997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113521259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56760626 + 56760627.

It is an arithmetic number, because the mean of its divisors is an integer number (56760627).

Almost surely, 2^113521253 is an apocalyptic number.

It is an amenable number.

113521253 is a deficient number, since it is larger than the sum of its proper divisors (1).

113521253 is an equidigital number, since it uses as much as digits as its factorization.

113521253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 113521253 is about 10654.6352823548. The cubic root of 113521253 is about 484.2010482854.

Adding to 113521253 its reverse (352125311), we get a palindrome (465646564).

It can be divided in two parts, 11 and 3521253, that multiplied together give a palindrome (38733783).

The spelling of 113521253 in words is "one hundred thirteen million, five hundred twenty-one thousand, two hundred fifty-three".