2536497 has 6 divisors (see below), whose sum is σ = 3663842. Its totient is φ = 1690992.

The previous prime is 2536483. The next prime is 2536517. The reversal of 2536497 is 7946352.

2536497 is a `hidden beast` number, since 2 + 5 + 3 + 649 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 531441 = 1416^2 + 729^2 .

It is not a de Polignac number, because 2536497 - 2⁸ = 2536241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140908 + ... + 140925.

2^2536497 is an apocalyptic number.

It is an amenable number.

2536497 is a deficient number, since it is larger than the sum of its proper divisors (1127345).

2536497 is a wasteful number, since it uses less digits than its factorization.

2536497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281839 (or 281836 counting only the distinct ones).

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

The square root of 2536497 is about 1592.6383770335. The cubic root of 2536497 is about 136.3781466983.

The spelling of 2536497 in words is "two million, five hundred thirty-six thousand, four hundred ninety-seven".