2538923 has 4 divisors (see below), whose sum is σ = 2550240. Its totient is φ = 2527608.

The previous prime is 2538919. The next prime is 2538953. The reversal of 2538923 is 3298352.

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

It is a cyclic number.

It is not a de Polignac number, because 2538923 - 2² = 2538919 is a prime.

It is a super-2 number, since 2×2538923² = 12892259999858, which contains 22 as substring.

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 2538923.

It is not an unprimeable number, because it can be changed into a prime (2538953) 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, 5315 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (637560).

2^2538923 is an apocalyptic number.

2538923 is a deficient number, since it is larger than the sum of its proper divisors (11317).

2538923 is a wasteful number, since it uses less digits than its factorization.

2538923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316.

The product of its digits is 12960, while the sum is 32.

The square root of 2538923 is about 1593.3998242751. The cubic root of 2538923 is about 136.4216118867.

The spelling of 2538923 in words is "two million, five hundred thirty-eight thousand, nine hundred twenty-three".