2492540317 has 4 divisors (see below), whose sum is σ = 2517219036. Its totient is φ = 2467861600.

The previous prime is 2492540293. The next prime is 2492540341. The reversal of 2492540317 is 7130452942.

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

It is an interprime number because it is at equal distance from previous prime (2492540293) and next prime (2492540341).

It can be written as a sum of positive squares in 2 ways, for example, as 1265509476 + 1227030841 = 35574^2 + 35029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2492540317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492540717) 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, 12339208 + ... + 12339409.

It is an arithmetic number, because the mean of its divisors is an integer number (629304759).

Almost surely, 2^2492540317 is an apocalyptic number.

It is an amenable number.

2492540317 is a deficient number, since it is larger than the sum of its proper divisors (24678719).

2492540317 is a wasteful number, since it uses less digits than its factorization.

2492540317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24678718.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2492540317 is about 49925.3474399528. The cubic root of 2492540317 is about 1355.8575504143.

The spelling of 2492540317 in words is "two billion, four hundred ninety-two million, five hundred forty thousand, three hundred seventeen".