2500340251 has 2 divisors, whose sum is σ = 2500340252. Its totient is φ = 2500340250.

The previous prime is 2500340239. The next prime is 2500340261. The reversal of 2500340251 is 1520430052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500340251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500340261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250170125 + 1250170126.

It is an arithmetic number, because the mean of its divisors is an integer number (1250170126).

Almost surely, 2^2500340251 is an apocalyptic number.

2500340251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500340251 is an equidigital number, since it uses as much as digits as its factorization.

2500340251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2500340251 is about 50003.4023942371. The cubic root of 2500340251 is about 1357.2703777249.

The spelling of 2500340251 in words is "two billion, five hundred million, three hundred forty thousand, two hundred fifty-one".