2452591 has 4 divisors (see below), whose sum is σ = 2509672. Its totient is φ = 2395512.

The previous prime is 2452589. The next prime is 2452603. The reversal of 2452591 is 1952542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1952542 = 2 ⋅976271.

It is a cyclic number.

It is not a de Polignac number, because 2452591 - 2¹ = 2452589 is a prime.

It is a super-2 number, since 2×2452591² = 12030405226562, which contains 22 as substring.

It is a Duffinian number.

2452591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28476 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (627418).

2^2452591 is an apocalyptic number.

2452591 is a deficient number, since it is larger than the sum of its proper divisors (57081).

2452591 is an equidigital number, since it uses as much as digits as its factorization.

2452591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57080.

The product of its digits is 3600, while the sum is 28.

The square root of 2452591 is about 1566.0750301311. The cubic root of 2452591 is about 134.8574810549.

The spelling of 2452591 in words is "two million, four hundred fifty-two thousand, five hundred ninety-one".