113345251 has 2 divisors, whose sum is σ = 113345252. Its totient is φ = 113345250.

The previous prime is 113345249. The next prime is 113345293. The reversal of 113345251 is 152543311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113345251 - 2¹ = 113345249 is a prime.

Together with 113345249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113345201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56672625 + 56672626.

It is an arithmetic number, because the mean of its divisors is an integer number (56672626).

Almost surely, 2^113345251 is an apocalyptic number.

113345251 is a deficient number, since it is larger than the sum of its proper divisors (1).

113345251 is an equidigital number, since it uses as much as digits as its factorization.

113345251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 113345251 is about 10646.3726686604. The cubic root of 113345251 is about 483.9506856729.

Adding to 113345251 its reverse (152543311), we get a palindrome (265888562).

The spelling of 113345251 in words is "one hundred thirteen million, three hundred forty-five thousand, two hundred fifty-one".