2492578131 has 12 divisors (see below), whose sum is σ = 3519437256. Its totient is φ = 1563746880.

The previous prime is 2492578117. The next prime is 2492578139. The reversal of 2492578131 is 1318752942.

It is not a de Polignac number, because 2492578131 - 2¹³ = 2492569939 is a prime.

It is a super-2 number, since 2×2492578131² = 12425891478278906322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2492578139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353046 + ... + 360036.

It is an arithmetic number, because the mean of its divisors is an integer number (293286438).

Almost surely, 2^2492578131 is an apocalyptic number.

2492578131 is a deficient number, since it is larger than the sum of its proper divisors (1026859125).

2492578131 is an frugal number, since it uses more digits than its factorization.

2492578131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002 (or 7011 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 2492578131 is about 49925.7261439431. The cubic root of 2492578131 is about 1355.8644068915.

The spelling of 2492578131 in words is "two billion, four hundred ninety-two million, five hundred seventy-eight thousand, one hundred thirty-one".