2521923 has 8 divisors (see below), whose sum is σ = 3417936. Its totient is φ = 1653600.

The previous prime is 2521921. The next prime is 2521949. The reversal of 2521923 is 3291252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2521923 - 2¹ = 2521921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521893 and 2521902.

It is not an unprimeable number, because it can be changed into a prime (2521921) 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, 6708 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (427242).

2^2521923 is an apocalyptic number.

2521923 is a deficient number, since it is larger than the sum of its proper divisors (896013).

2521923 is a wasteful number, since it uses less digits than its factorization.

2521923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845.

The product of its digits is 1080, while the sum is 24.

The square root of 2521923 is about 1588.0563592014. The cubic root of 2521923 is about 136.1164479867.

The spelling of 2521923 in words is "two million, five hundred twenty-one thousand, nine hundred twenty-three".