325144338137 has 4 divisors (see below), whose sum is σ = 325172396340. Its totient is φ = 325116279936.

The previous prime is 325144338109. The next prime is 325144338187. The reversal of 325144338137 is 731833441523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731833441523 = 43 ⋅17019382361.

It can be written as a sum of positive squares in 2 ways, for example, as 228657068761 + 96487269376 = 478181^2 + 310624^2 .

It is a cyclic number.

It is not a de Polignac number, because 325144338137 - 2²⁰ = 325143289561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325144338107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14011712 + ... + 14034897.

It is an arithmetic number, because the mean of its divisors is an integer number (81293099085).

Almost surely, 2^325144338137 is an apocalyptic number.

It is an amenable number.

325144338137 is a deficient number, since it is larger than the sum of its proper divisors (28058203).

325144338137 is a wasteful number, since it uses less digits than its factorization.

325144338137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058202.

The product of its digits is 725760, while the sum is 44.

The spelling of 325144338137 in words is "three hundred twenty-five billion, one hundred forty-four million, three hundred thirty-eight thousand, one hundred thirty-seven".