325425551 has 8 divisors (see below), whose sum is σ = 370445184. Its totient is φ = 282978520.

The previous prime is 325425539. The next prime is 325425557. The reversal of 325425551 is 155524523.

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

It is not a de Polignac number, because 325425551 - 2¹⁸ = 325163407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325425557) 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, 642881 + ... + 643386.

It is an arithmetic number, because the mean of its divisors is an integer number (46305648).

Almost surely, 2^325425551 is an apocalyptic number.

325425551 is a deficient number, since it is larger than the sum of its proper divisors (45019633).

325425551 is a wasteful number, since it uses less digits than its factorization.

325425551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286301.

The product of its digits is 30000, while the sum is 32.

The square root of 325425551 is about 18039.5551774427. Note that the first 3 decimals coincide. The cubic root of 325425551 is about 687.8343856990.

The spelling of 325425551 in words is "three hundred twenty-five million, four hundred twenty-five thousand, five hundred fifty-one".