2497291 has 4 divisors (see below), whose sum is σ = 2534632. Its totient is φ = 2459952.

The previous prime is 2497289. The next prime is 2497301. The reversal of 2497291 is 1927942.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2497291 - 2¹ = 2497289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497211) 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, 18570 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (633658).

2^2497291 is an apocalyptic number.

2497291 is a deficient number, since it is larger than the sum of its proper divisors (37341).

2497291 is an equidigital number, since it uses as much as digits as its factorization.

2497291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37340.

The product of its digits is 9072, while the sum is 34.

The square root of 2497291 is about 1580.2819368708. The cubic root of 2497291 is about 135.6718407300.

It can be divided in two parts, 2497 and 291, that multiplied together give a palindrome (726627).

The spelling of 2497291 in words is "two million, four hundred ninety-seven thousand, two hundred ninety-one".