325313525021 has 8 divisors (see below), whose sum is σ = 334178010840. Its totient is φ = 316452840768.

The previous prime is 325313524997. The next prime is 325313525023. The reversal of 325313525021 is 120525313523.

It can be written as a sum of positive squares in 4 ways, for example, as 43576562500 + 281736962521 = 208750^2 + 530789^2 .

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 325313525021 - 2⁶ = 325313524957 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 (325313525023) 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, 776486 + ... + 1119623.

It is an arithmetic number, because the mean of its divisors is an integer number (41772251355).

Almost surely, 2^325313525021 is an apocalyptic number.

It is an amenable number.

325313525021 is a deficient number, since it is larger than the sum of its proper divisors (8864485819).

325313525021 is a wasteful number, since it uses less digits than its factorization.

325313525021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900783.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 325313525021 its reverse (120525313523), we get a palindrome (445838838544).

The spelling of 325313525021 in words is "three hundred twenty-five billion, three hundred thirteen million, five hundred twenty-five thousand, twenty-one".