2500538 has 8 divisors (see below), whose sum is σ = 3814560. Its totient is φ = 1229020.

The previous prime is 2500529. The next prime is 2500543. The reversal of 2500538 is 8350052.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10478 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (476820).

2^2500538 is an apocalyptic number.

2500538 is a deficient number, since it is larger than the sum of its proper divisors (1314022).

2500538 is a wasteful number, since it uses less digits than its factorization.

2500538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21252.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2500538 is about 1581.3089514703. The cubic root of 2500538 is about 135.7306158426.

The spelling of 2500538 in words is "two million, five hundred thousand, five hundred thirty-eight".