325452201021 has 32 divisors (see below), whose sum is σ = 499990283520. Its totient is φ = 209054509632.

The previous prime is 325452200987. The next prime is 325452201029. The reversal of 325452201021 is 120102254523.

325452201021 is a `hidden beast` number, since 3 + 2 + 5 + 452 + 201 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 325452201021 - 2²³ = 325443812413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325452201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1478550 + ... + 1684343.

It is an arithmetic number, because the mean of its divisors is an integer number (15624696360).

Almost surely, 2^325452201021 is an apocalyptic number.

It is an amenable number.

325452201021 is a deficient number, since it is larger than the sum of its proper divisors (174538082499).

325452201021 is a wasteful number, since it uses less digits than its factorization.

325452201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163042 (or 3163036 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 325452201021 its reverse (120102254523), we get a palindrome (445554455544).

The spelling of 325452201021 in words is "three hundred twenty-five billion, four hundred fifty-two million, two hundred one thousand, twenty-one".