325477731 has 4 divisors (see below), whose sum is σ = 433970312. Its totient is φ = 216985152.

The previous prime is 325477729. The next prime is 325477739. The reversal of 325477731 is 137774523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137774523 = 3 ⋅45924841.

It is not a de Polignac number, because 325477731 - 2¹ = 325477729 is a prime.

It is a super-2 number, since 2×325477731² = 211871506753816722, which contains 22 as substring.

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 325477731.

It is not an unprimeable number, because it can be changed into a prime (325477739) 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, 54246286 + ... + 54246291.

It is an arithmetic number, because the mean of its divisors is an integer number (108492578).

Almost surely, 2^325477731 is an apocalyptic number.

325477731 is a deficient number, since it is larger than the sum of its proper divisors (108492581).

325477731 is a wasteful number, since it uses less digits than its factorization.

325477731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108492580.

The product of its digits is 123480, while the sum is 39.

The square root of 325477731 is about 18041.0013857324. The cubic root of 325477731 is about 687.8711470822.

The spelling of 325477731 in words is "three hundred twenty-five million, four hundred seventy-seven thousand, seven hundred thirty-one".