4525312421 has 16 divisors (see below), whose sum is σ = 5290068480. Its totient is φ = 3790385280.

The previous prime is 4525312391. The next prime is 4525312427. The reversal of 4525312421 is 1242135254.

It is a cyclic number.

It is not a de Polignac number, because 4525312421 - 2⁶ = 4525312357 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 (4525312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207065 + ... + 227873.

It is an arithmetic number, because the mean of its divisors is an integer number (330629280).

Almost surely, 2^4525312421 is an apocalyptic number.

It is an amenable number.

4525312421 is a deficient number, since it is larger than the sum of its proper divisors (764756059).

4525312421 is a wasteful number, since it uses less digits than its factorization.

4525312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21524.

The product of its digits is 9600, while the sum is 29.

The square root of 4525312421 is about 67270.4424022914. The cubic root of 4525312421 is about 1654.0533855193.

Adding to 4525312421 its reverse (1242135254), we get a palindrome (5767447675).

The spelling of 4525312421 in words is "four billion, five hundred twenty-five million, three hundred twelve thousand, four hundred twenty-one".