162505625 has 10 divisors (see below), whose sum is σ = 203067810. Its totient is φ = 130004000.

The previous prime is 162505597. The next prime is 162505633. The reversal of 162505625 is 526505261.

It can be written as a sum of positive squares in 5 ways, for example, as 109390681 + 53114944 = 10459^2 + 7288^2 .

It is a de Polignac number, because none of the positive numbers 2^k-162505625 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162505591 and 162505600.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129380 + ... + 130629.

It is an arithmetic number, because the mean of its divisors is an integer number (20306781).

Almost surely, 2^162505625 is an apocalyptic number.

It is an amenable number.

162505625 is a deficient number, since it is larger than the sum of its proper divisors (40562185).

162505625 is an frugal number, since it uses more digits than its factorization.

162505625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260029 (or 260014 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 162505625 is about 12747.7694127247. The cubic root of 162505625 is about 545.7027379553.

The spelling of 162505625 in words is "one hundred sixty-two million, five hundred five thousand, six hundred twenty-five".