2500331 has 2 divisors, whose sum is σ = 2500332. Its totient is φ = 2500330.

The previous prime is 2500301. The next prime is 2500339. The reversal of 2500331 is 1330052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500331 is a prime.

It is a super-2 number, since 2×2500331² = 12503310219122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2500339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250165 + 1250166.

It is an arithmetic number, because the mean of its divisors is an integer number (1250166).

2^2500331 is an apocalyptic number.

2500331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500331 is an equidigital number, since it uses as much as digits as its factorization.

2500331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2500331 is about 1581.2434980103. The cubic root of 2500331 is about 135.7268703803.

Adding to 2500331 its reverse (1330052), we get a palindrome (3830383).

The spelling of 2500331 in words is "two million, five hundred thousand, three hundred thirty-one".