2497397 has 8 divisors (see below), whose sum is σ = 2920896. Its totient is φ = 2090592.

The previous prime is 2497381. The next prime is 2497421. The reversal of 2497397 is 7937942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2497397 - 2⁴ = 2497381 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 9³ + 7⁵ + 3⁷ + 9³ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3848 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (365112).

2^2497397 is an apocalyptic number.

It is an amenable number.

2497397 is a deficient number, since it is larger than the sum of its proper divisors (423499).

2497397 is an equidigital number, since it uses as much as digits as its factorization.

2497397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347.

The product of its digits is 95256, while the sum is 41.

The square root of 2497397 is about 1580.3154748341. The cubic root of 2497397 is about 135.6737602783.

The spelling of 2497397 in words is "two million, four hundred ninety-seven thousand, three hundred ninety-seven".