2501562157 has 2 divisors, whose sum is σ = 2501562158. Its totient is φ = 2501562156.

The previous prime is 2501562131. The next prime is 2501562191. The reversal of 2501562157 is 7512651052.

It is an a-pointer prime, because the next prime (2501562191) can be obtained adding 2501562157 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2084013801 + 417548356 = 45651^2 + 20434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501562157 - 2²³ = 2493173549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501562757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250781078 + 1250781079.

It is an arithmetic number, because the mean of its divisors is an integer number (1250781079).

Almost surely, 2^2501562157 is an apocalyptic number.

It is an amenable number.

2501562157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501562157 is an equidigital number, since it uses as much as digits as its factorization.

2501562157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 2501562157 is about 50015.6191304276. The cubic root of 2501562157 is about 1357.4914392025.

The spelling of 2501562157 in words is "two billion, five hundred one million, five hundred sixty-two thousand, one hundred fifty-seven".