113153449 has 2 divisors, whose sum is σ = 113153450. Its totient is φ = 113153448.

The previous prime is 113153423. The next prime is 113153473. The reversal of 113153449 is 944351311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 36905625 = 8732^2 + 6075^2 .

It is an emirp because it is prime and its reverse (944351311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113153449 - 2⁷ = 113153321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113153449.

It is not a weakly prime, because it can be changed into another prime (113153489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56576724 + 56576725.

It is an arithmetic number, because the mean of its divisors is an integer number (56576725).

Almost surely, 2^113153449 is an apocalyptic number.

It is an amenable number.

113153449 is a deficient number, since it is larger than the sum of its proper divisors (1).

113153449 is an equidigital number, since it uses as much as digits as its factorization.

113153449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 113153449 is about 10637.3609979167. The cubic root of 113153449 is about 483.6775522867.

The spelling of 113153449 in words is "one hundred thirteen million, one hundred fifty-three thousand, four hundred forty-nine".