113021651 has 2 divisors, whose sum is σ = 113021652. Its totient is φ = 113021650.

The previous prime is 113021617. The next prime is 113021653. The reversal of 113021651 is 156120311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113021651 - 2¹⁴ = 113005267 is a prime.

Together with 113021653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113021653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56510825 + 56510826.

It is an arithmetic number, because the mean of its divisors is an integer number (56510826).

Almost surely, 2^113021651 is an apocalyptic number.

113021651 is a deficient number, since it is larger than the sum of its proper divisors (1).

113021651 is an equidigital number, since it uses as much as digits as its factorization.

113021651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 113021651 is about 10631.1641413347. The cubic root of 113021651 is about 483.4896879274.

Adding to 113021651 its reverse (156120311), we get a palindrome (269141962).

The spelling of 113021651 in words is "one hundred thirteen million, twenty-one thousand, six hundred fifty-one".