325135561 has 8 divisors (see below), whose sum is σ = 329982464. Its totient is φ = 320319360.

The previous prime is 325135537. The next prime is 325135627. The reversal of 325135561 is 165531523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 325135561 - 2⁵ = 325135529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325135861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14116 + ... + 29146.

It is an arithmetic number, because the mean of its divisors is an integer number (41247808).

Almost surely, 2^325135561 is an apocalyptic number.

It is an amenable number.

325135561 is a deficient number, since it is larger than the sum of its proper divisors (4846903).

325135561 is a wasteful number, since it uses less digits than its factorization.

325135561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15351.

The product of its digits is 13500, while the sum is 31.

The square root of 325135561 is about 18031.5157710049. The cubic root of 325135561 is about 687.6300129214.

The spelling of 325135561 in words is "three hundred twenty-five million, one hundred thirty-five thousand, five hundred sixty-one".