2501538 has 24 divisors (see below), whose sum is σ = 5419728. Its totient is φ = 769392.

The previous prime is 2501507. The next prime is 2501563. The reversal of 2501538 is 8351052.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (225822).

2^2501538 is an apocalyptic number.

2501538 is an abundant number, since it is smaller than the sum of its proper divisors (2918190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501538 is a wasteful number, since it uses less digits than its factorization.

2501538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2501538 is about 1581.6251136094. The cubic root of 2501538 is about 135.7487069529.

The spelling of 2501538 in words is "two million, five hundred one thousand, five hundred thirty-eight".