2500240331 has 4 divisors (see below), whose sum is σ = 2567814432. Its totient is φ = 2432666232.

The previous prime is 2500240297. The next prime is 2500240339. The reversal of 2500240331 is 1330420052.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2500240331 is a prime.

It is a super-2 number, since 2×2500240331² = 12502403425517979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500240339) 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, 33786995 + ... + 33787068.

It is an arithmetic number, because the mean of its divisors is an integer number (641953608).

Almost surely, 2^2500240331 is an apocalyptic number.

2500240331 is a deficient number, since it is larger than the sum of its proper divisors (67574101).

2500240331 is an equidigital number, since it uses as much as digits as its factorization.

2500240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67574100.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2500240331 is about 50002.4032522438. The cubic root of 2500240331 is about 1357.2522974839.

Adding to 2500240331 its reverse (1330420052), we get a palindrome (3830660383).

The spelling of 2500240331 in words is "two billion, five hundred million, two hundred forty thousand, three hundred thirty-one".