2493591 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 1564640.

The previous prime is 2493587. The next prime is 2493599. The reversal of 2493591 is 1953942.

2493591 = T₃₀₆ + T₃₀₇ + ... + T₃₅₁.

It is a cyclic number.

It is not a de Polignac number, because 2493591 - 2² = 2493587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493599) 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, 4645 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

2^2493591 is an apocalyptic number.

2493591 is a deficient number, since it is larger than the sum of its proper divisors (1031529).

2493591 is a wasteful number, since it uses less digits than its factorization.

2493591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its digits is 9720, while the sum is 33.

The square root of 2493591 is about 1579.1108257497. The cubic root of 2493591 is about 135.6048035646.

The spelling of 2493591 in words is "two million, four hundred ninety-three thousand, five hundred ninety-one".