113405263 has 2 divisors, whose sum is σ = 113405264. Its totient is φ = 113405262.

The previous prime is 113405251. The next prime is 113405273. The reversal of 113405263 is 362504311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113405263 - 2²¹ = 111308111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113405273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56702631 + 56702632.

It is an arithmetic number, because the mean of its divisors is an integer number (56702632).

Almost surely, 2^113405263 is an apocalyptic number.

113405263 is a deficient number, since it is larger than the sum of its proper divisors (1).

113405263 is an equidigital number, since it uses as much as digits as its factorization.

113405263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 113405263 is about 10649.1907204257. The cubic root of 113405263 is about 484.0360817647.

Adding to 113405263 its reverse (362504311), we get a palindrome (475909574).

The spelling of 113405263 in words is "one hundred thirteen million, four hundred five thousand, two hundred sixty-three".