2501562191 has 2 divisors, whose sum is σ = 2501562192. Its totient is φ = 2501562190.

The previous prime is 2501562157. The next prime is 2501562199. The reversal of 2501562191 is 1912651052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2501562191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501562199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250781095 + 1250781096.

It is an arithmetic number, because the mean of its divisors is an integer number (1250781096).

Almost surely, 2^2501562191 is an apocalyptic number.

2501562191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501562191 is an equidigital number, since it uses as much as digits as its factorization.

2501562191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 2501562191 is about 50015.6194703215. The cubic root of 2501562191 is about 1357.4914453526.

The spelling of 2501562191 in words is "two billion, five hundred one million, five hundred sixty-two thousand, one hundred ninety-one".