2592421 has 4 divisors (see below), whose sum is σ = 2791852. Its totient is φ = 2392992.

The previous prime is 2592419. The next prime is 2592467. The reversal of 2592421 is 1242952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 1512900 = 1039^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2592421 - 2¹ = 2592419 is a prime.

It is a Duffinian number.

2592421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2592221) 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, 99696 + ... + 99721.

It is an arithmetic number, because the mean of its divisors is an integer number (697963).

2^2592421 is an apocalyptic number.

It is an amenable number.

2592421 is a deficient number, since it is larger than the sum of its proper divisors (199431).

2592421 is a wasteful number, since it uses less digits than its factorization.

2592421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199430.

The product of its digits is 1440, while the sum is 25.

The square root of 2592421 is about 1610.0996863549. The cubic root of 2592421 is about 137.3731458133.

The spelling of 2592421 in words is "two million, five hundred ninety-two thousand, four hundred twenty-one".