162512125 has 8 divisors (see below), whose sum is σ = 202815288. Its totient is φ = 130009600.

The previous prime is 162512123. The next prime is 162512153. The reversal of 162512125 is 521215261.

It can be written as a sum of positive squares in 4 ways, for example, as 31775769 + 130736356 = 5637^2 + 11434^2 .

It is not a de Polignac number, because 162512125 - 2¹ = 162512123 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162512125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162512123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649924 + ... + 650173.

It is an arithmetic number, because the mean of its divisors is an integer number (25351911).

Almost surely, 2^162512125 is an apocalyptic number.

It is an amenable number.

162512125 is a deficient number, since it is larger than the sum of its proper divisors (40303163).

162512125 is an equidigital number, since it uses as much as digits as its factorization.

162512125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300112 (or 1300102 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 162512125 is about 12748.0243567386. The cubic root of 162512125 is about 545.7100136430.

Adding to 162512125 its reverse (521215261), we get a palindrome (683727386).

The spelling of 162512125 in words is "one hundred sixty-two million, five hundred twelve thousand, one hundred twenty-five".