162113825 has 6 divisors (see below), whose sum is σ = 201021174. Its totient is φ = 129691040.

The previous prime is 162113807. The next prime is 162113837. The reversal of 162113825 is 528311261.

It can be written as a sum of positive squares in 3 ways, for example, as 9541921 + 152571904 = 3089^2 + 12352^2 .

It is not a de Polignac number, because 162113825 - 2²⁶ = 95004961 is a prime.

It is a super-2 number, since 2×162113825² = 52561784512261250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3242252 + ... + 3242301.

It is an arithmetic number, because the mean of its divisors is an integer number (33503529).

Almost surely, 2^162113825 is an apocalyptic number.

It is an amenable number.

162113825 is a deficient number, since it is larger than the sum of its proper divisors (38907349).

162113825 is an equidigital number, since it uses as much as digits as its factorization.

162113825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484563 (or 6484558 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 162113825 is about 12732.3927444923. The cubic root of 162113825 is about 545.2638231140.

It can be divided in two parts, 16 and 2113825, that multiplied together give a triangular number (33821200 = T₈₂₂₄).

The spelling of 162113825 in words is "one hundred sixty-two million, one hundred thirteen thousand, eight hundred twenty-five".