162513425 has 6 divisors (see below), whose sum is σ = 201516678. Its totient is φ = 130010720.

The previous prime is 162513409. The next prime is 162513433. The reversal of 162513425 is 524315261.

It can be written as a sum of positive squares in 3 ways, for example, as 55100929 + 107412496 = 7423^2 + 10364^2 .

It is not a de Polignac number, because 162513425 - 2⁴ = 162513409 is a prime.

It is a super-2 number, since 2×162513425² = 52821226610461250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3250244 + ... + 3250293.

It is an arithmetic number, because the mean of its divisors is an integer number (33586113).

Almost surely, 2^162513425 is an apocalyptic number.

It is an amenable number.

162513425 is a deficient number, since it is larger than the sum of its proper divisors (39003253).

162513425 is an equidigital number, since it uses as much as digits as its factorization.

162513425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500547 (or 6500542 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 162513425 is about 12748.0753449295. The cubic root of 162513425 is about 545.7114687572.

Adding to 162513425 its reverse (524315261), we get a palindrome (686828686).

The spelling of 162513425 in words is "one hundred sixty-two million, five hundred thirteen thousand, four hundred twenty-five".