2525181131 has 8 divisors (see below), whose sum is σ = 2806719984. Its totient is φ = 2252305120.

The previous prime is 2525181121. The next prime is 2525181151. The reversal of 2525181131 is 1311815252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525181131 is a prime.

It is a super-2 number, since 2×2525181131² = 12753079488716878322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525181094 and 2525181103.

It is not an unprimeable number, because it can be changed into a prime (2525181121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165096 + ... + 2166261.

It is an arithmetic number, because the mean of its divisors is an integer number (350839998).

Almost surely, 2^2525181131 is an apocalyptic number.

2525181131 is a deficient number, since it is larger than the sum of its proper divisors (281538853).

2525181131 is a wasteful number, since it uses less digits than its factorization.

2525181131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331421.

The product of its digits is 2400, while the sum is 29.

The square root of 2525181131 is about 50251.1803940962. The cubic root of 2525181131 is about 1361.7504009715.

Adding to 2525181131 its reverse (1311815252), we get a palindrome (3836996383).

The spelling of 2525181131 in words is "two billion, five hundred twenty-five million, one hundred eighty-one thousand, one hundred thirty-one".