113209567 has 2 divisors, whose sum is σ = 113209568. Its totient is φ = 113209566.

The previous prime is 113209549. The next prime is 113209597. The reversal of 113209567 is 765902311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113209567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113209507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56604783 + 56604784.

It is an arithmetic number, because the mean of its divisors is an integer number (56604784).

Almost surely, 2^113209567 is an apocalyptic number.

113209567 is a deficient number, since it is larger than the sum of its proper divisors (1).

113209567 is an equidigital number, since it uses as much as digits as its factorization.

113209567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 113209567 is about 10639.9984492480. The cubic root of 113209567 is about 483.7574983870.

The spelling of 113209567 in words is "one hundred thirteen million, two hundred nine thousand, five hundred sixty-seven".