325421855 has 16 divisors (see below), whose sum is σ = 434048544. Its totient is φ = 232202880.

The previous prime is 325421851. The next prime is 325421861. The reversal of 325421855 is 558124523.

325421855 = T₈₄ + T₈₅ + ... + T₁₂₄₉.

It is not a de Polignac number, because 325421855 - 2² = 325421851 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 (325421851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52904 + ... + 58733.

It is an arithmetic number, because the mean of its divisors is an integer number (27128034).

Almost surely, 2^325421855 is an apocalyptic number.

325421855 is a deficient number, since it is larger than the sum of its proper divisors (108626689).

325421855 is a wasteful number, since it uses less digits than its factorization.

325421855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111706.

The product of its digits is 48000, while the sum is 35.

The square root of 325421855 is about 18039.4527356015. The cubic root of 325421855 is about 687.8317816774.

The spelling of 325421855 in words is "three hundred twenty-five million, four hundred twenty-one thousand, eight hundred fifty-five".