425025022321 has 4 divisors (see below), whose sum is σ = 438735506944. Its totient is φ = 411314537700.

The previous prime is 425025022309. The next prime is 425025022363. The reversal of 425025022321 is 123220520524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425025022321 - 2¹⁵ = 425024989553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425025022321.

It is not an unprimeable number, because it can be changed into a prime (425025022921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6855242265 + ... + 6855242326.

It is an arithmetic number, because the mean of its divisors is an integer number (109683876736).

Almost surely, 2^425025022321 is an apocalyptic number.

It is an amenable number.

425025022321 is a deficient number, since it is larger than the sum of its proper divisors (13710484623).

425025022321 is a wasteful number, since it uses less digits than its factorization.

425025022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710484622.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 425025022321 its reverse (123220520524), we get a palindrome (548245542845).

The spelling of 425025022321 in words is "four hundred twenty-five billion, twenty-five million, twenty-two thousand, three hundred twenty-one".