113172853 has 2 divisors, whose sum is σ = 113172854. Its totient is φ = 113172852.

The previous prime is 113172841. The next prime is 113172869. The reversal of 113172853 is 358271311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83503044 + 29669809 = 9138^2 + 5447^2 .

It is a cyclic number.

It is not a de Polignac number, because 113172853 - 2¹³ = 113164661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113172803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56586426 + 56586427.

It is an arithmetic number, because the mean of its divisors is an integer number (56586427).

Almost surely, 2^113172853 is an apocalyptic number.

It is an amenable number.

113172853 is a deficient number, since it is larger than the sum of its proper divisors (1).

113172853 is an equidigital number, since it uses as much as digits as its factorization.

113172853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 113172853 is about 10638.2730271412. The cubic root of 113172853 is about 483.7051983516.

It can be divided in two parts, 1131 and 72853, that added together give a square (73984 = 272²).

The spelling of 113172853 in words is "one hundred thirteen million, one hundred seventy-two thousand, eight hundred fifty-three".