2501138 has 16 divisors (see below), whose sum is σ = 3886080. Its totient is φ = 1206576.

The previous prime is 2501137. The next prime is 2501143. The reversal of 2501138 is 8311052.

It is not an unprimeable number, because it can be changed into a prime (2501131) 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, 10808 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (242880).

2^2501138 is an apocalyptic number.

2501138 is a deficient number, since it is larger than the sum of its proper divisors (1384942).

2501138 is a wasteful number, since it uses less digits than its factorization.

2501138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2501138 is about 1581.4986563383. The cubic root of 2501138 is about 135.7414710875.

The spelling of 2501138 in words is "two million, five hundred one thousand, one hundred thirty-eight".