325535581 has 4 divisors (see below), whose sum is σ = 372040672. Its totient is φ = 279030492.

The previous prime is 325535579. The next prime is 325535591. The reversal of 325535581 is 185535523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 325535581 - 2¹ = 325535579 is a prime.

It is a super-2 number, since 2×325535581² = 211946828994015122, 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 325535581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325535591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23252535 + ... + 23252548.

It is an arithmetic number, because the mean of its divisors is an integer number (93010168).

Almost surely, 2^325535581 is an apocalyptic number.

It is an amenable number.

325535581 is a deficient number, since it is larger than the sum of its proper divisors (46505091).

325535581 is an equidigital number, since it uses as much as digits as its factorization.

325535581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46505090.

The product of its digits is 90000, while the sum is 37.

The square root of 325535581 is about 18042.6046068743. The cubic root of 325535581 is about 687.9118984503.

The spelling of 325535581 in words is "three hundred twenty-five million, five hundred thirty-five thousand, five hundred eighty-one".