2492423521 has 4 divisors (see below), whose sum is σ = 2848484032. Its totient is φ = 2136363012.

The previous prime is 2492423509. The next prime is 2492423537. The reversal of 2492423521 is 1253242942.

2492423521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2492423521 - 2⁷ = 2492423393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492423581) 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, 178030245 + ... + 178030258.

It is an arithmetic number, because the mean of its divisors is an integer number (712121008).

Almost surely, 2^2492423521 is an apocalyptic number.

It is an amenable number.

2492423521 is a deficient number, since it is larger than the sum of its proper divisors (356060511).

2492423521 is an equidigital number, since it uses as much as digits as its factorization.

2492423521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356060510.

The product of its digits is 34560, while the sum is 34.

The square root of 2492423521 is about 49924.1777198183. The cubic root of 2492423521 is about 1355.8363723935.

The spelling of 2492423521 in words is "two billion, four hundred ninety-two million, four hundred twenty-three thousand, five hundred twenty-one".