2497841 has 4 divisors (see below), whose sum is σ = 2532132. Its totient is φ = 2463552.

The previous prime is 2497811. The next prime is 2497849. The reversal of 2497841 is 1487942.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 495616 = 1415^2 + 704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2497841 is a prime.

It is a super-2 number, since 2×2497841² = 12478419322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497849) 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, 17036 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (633033).

2^2497841 is an apocalyptic number.

It is an amenable number.

2497841 is a deficient number, since it is larger than the sum of its proper divisors (34291).

2497841 is an equidigital number, since it uses as much as digits as its factorization.

2497841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290.

The product of its digits is 16128, while the sum is 35.

The square root of 2497841 is about 1580.4559468710. The cubic root of 2497841 is about 135.6818000600.

The spelling of 2497841 in words is "two million, four hundred ninety-seven thousand, eight hundred forty-one".