325904261 has 8 divisors (see below), whose sum is σ = 332546040. Its totient is φ = 319280832.

The previous prime is 325904237. The next prime is 325904287. The reversal of 325904261 is 162409523.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 240064036 + 85840225 = 15494^2 + 9265^2 .

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 325904261 - 2⁶ = 325904197 is a prime.

It is a super-2 number, since 2×325904261² = 212427174675912242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325904461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34655 + ... + 43043.

It is an arithmetic number, because the mean of its divisors is an integer number (41568255).

Almost surely, 2^325904261 is an apocalyptic number.

It is an amenable number.

325904261 is a deficient number, since it is larger than the sum of its proper divisors (6641779).

325904261 is an equidigital number, since it uses as much as digits as its factorization.

325904261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 325904261 is about 18052.8186441896. The cubic root of 325904261 is about 688.1714949323.

The spelling of 325904261 in words is "three hundred twenty-five million, nine hundred four thousand, two hundred sixty-one".