2527491 has 4 divisors (see below), whose sum is σ = 3369992. Its totient is φ = 1684992.

The previous prime is 2527489. The next prime is 2527537. The reversal of 2527491 is 1947252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2527491 - 2¹ = 2527489 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2527451) 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, 421246 + ... + 421251.

It is an arithmetic number, because the mean of its divisors is an integer number (842498).

2^2527491 is an apocalyptic number.

2527491 is a deficient number, since it is larger than the sum of its proper divisors (842501).

2527491 is an equidigital number, since it uses as much as digits as its factorization.

2527491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842500.

The product of its digits is 5040, while the sum is 30.

The square root of 2527491 is about 1589.8084790314. The cubic root of 2527491 is about 136.2165487556.

The spelling of 2527491 in words is "two million, five hundred twenty-seven thousand, four hundred ninety-one".