2591138 has 8 divisors (see below), whose sum is σ = 4240080. Its totient is φ = 1177780.

The previous prime is 2591131. The next prime is 2591143. The reversal of 2591138 is 8311952.

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

It is a super-2 number, since 2×2591138² = 13427992270088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2591138.

It is not an unprimeable number, because it can be changed into a prime (2591131) 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, 58868 + ... + 58911.

It is an arithmetic number, because the mean of its divisors is an integer number (530010).

2^2591138 is an apocalyptic number.

2591138 is a deficient number, since it is larger than the sum of its proper divisors (1648942).

2591138 is a wasteful number, since it uses less digits than its factorization.

2591138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117792.

The product of its digits is 2160, while the sum is 29.

The square root of 2591138 is about 1609.7012145116. The cubic root of 2591138 is about 137.3504798922.

The spelling of 2591138 in words is "two million, five hundred ninety-one thousand, one hundred thirty-eight".