2492755257 has 8 divisors (see below), whose sum is σ = 3324420640. Its totient is φ = 1661463360.

The previous prime is 2492755247. The next prime is 2492755261. The reversal of 2492755257 is 7525572942.

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

It is not a de Polignac number, because 2492755257 - 2¹⁰ = 2492754233 is a prime.

It is a super-2 number, since 2×2492755257² = 12427657542602272098, which contains 22 as substring.

It is the 49928-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492755207) by changing a digit.

It is a nontrivial repunit in base 49927.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77407 + ... + 104772.

It is an arithmetic number, because the mean of its divisors is an integer number (415552580).

Almost surely, 2^2492755257 is an apocalyptic number.

It is an amenable number.

2492755257 is a deficient number, since it is larger than the sum of its proper divisors (831665383).

2492755257 is a wasteful number, since it uses less digits than its factorization.

2492755257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186743.

The product of its digits is 1764000, while the sum is 48.

The square root of 2492755257 is about 49927.5000075109. The cubic root of 2492755257 is about 1355.8965226552.

The spelling of 2492755257 in words is "two billion, four hundred ninety-two million, seven hundred fifty-five thousand, two hundred fifty-seven".