2497536 has 66 divisors (see below), whose sum is σ = 7238192. Its totient is φ = 829440.

The previous prime is 2497513. The next prime is 2497541. The reversal of 2497536 is 6357942.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2⁷ + 4⁹ + 9 + 7 + 5⁹ + 3⁷ + 6⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2497536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9081 + ... + 9351.

2^2497536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2497536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3619096).

2497536 is an abundant number, since it is smaller than the sum of its proper divisors (4740656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2497536 is a wasteful number, since it uses less digits than its factorization.

2497536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 276 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2497536 is about 1580.3594527828. The cubic root of 2497536 is about 135.6762773394.

The spelling of 2497536 in words is "two million, four hundred ninety-seven thousand, five hundred thirty-six".