2538999 has 16 divisors (see below), whose sum is σ = 3786240. Its totient is φ = 1681560.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2538999 is 9998352.

It is not a de Polignac number, because 2538999 - 2⁴ = 2538983 is a prime.

It is a super-3 number, since 3×2538999³ = 49103092438333850997, which contains 333 as substring.

2538999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7144 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (236640).

2^2538999 is an apocalyptic number.

2538999 is a deficient number, since it is larger than the sum of its proper divisors (1247241).

2538999 is a wasteful number, since it uses less digits than its factorization.

2538999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2538999 is about 1593.4236724738. The cubic root of 2538999 is about 136.4229730858.

The spelling of 2538999 in words is "two million, five hundred thirty-eight thousand, nine hundred ninety-nine".