2541616157 has 2 divisors, whose sum is σ = 2541616158. Its totient is φ = 2541616156.

The previous prime is 2541616141. The next prime is 2541616163. The reversal of 2541616157 is 7516161452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1752343321 + 789272836 = 41861^2 + 28094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541616157 - 2⁴ = 2541616141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2541616157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2541636157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270808078 + 1270808079.

It is an arithmetic number, because the mean of its divisors is an integer number (1270808079).

Almost surely, 2^2541616157 is an apocalyptic number.

It is an amenable number.

2541616157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541616157 is an equidigital number, since it uses as much as digits as its factorization.

2541616157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 2541616157 is about 50414.4439322700. The cubic root of 2541616157 is about 1364.6983114970.

The spelling of 2541616157 in words is "two billion, five hundred forty-one million, six hundred sixteen thousand, one hundred fifty-seven".