2500245131 has 16 divisors (see below), whose sum is σ = 2815414560. Its totient is φ = 2206310400.

The previous prime is 2500245127. The next prime is 2500245173. The reversal of 2500245131 is 1315420052.

It is not a de Polignac number, because 2500245131 - 2² = 2500245127 is a prime.

It is a super-2 number, since 2×2500245131² = 12502451430178414322, 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 = 2500245097 and 2500245106.

It is not an unprimeable number, because it can be changed into a prime (2500245031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8570 + ... + 71231.

It is an arithmetic number, because the mean of its divisors is an integer number (175963410).

Almost surely, 2^2500245131 is an apocalyptic number.

2500245131 is a deficient number, since it is larger than the sum of its proper divisors (315169429).

2500245131 is a wasteful number, since it uses less digits than its factorization.

2500245131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79934.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2500245131 is about 50002.4512499137. The cubic root of 2500245131 is about 1357.2531660413.

Adding to 2500245131 its reverse (1315420052), we get a palindrome (3815665183).

The spelling of 2500245131 in words is "two billion, five hundred million, two hundred forty-five thousand, one hundred thirty-one".