2541351977 has 2 divisors, whose sum is σ = 2541351978. Its totient is φ = 2541351976.

The previous prime is 2541351959. The next prime is 2541351991. The reversal of 2541351977 is 7791531452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042678416 + 498673561 = 45196^2 + 22331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541351977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2541351877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270675988 + 1270675989.

It is an arithmetic number, because the mean of its divisors is an integer number (1270675989).

Almost surely, 2^2541351977 is an apocalyptic number.

It is an amenable number.

2541351977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541351977 is an equidigital number, since it uses as much as digits as its factorization.

2541351977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The square root of 2541351977 is about 50411.8237817280. The cubic root of 2541351977 is about 1364.6510268207.

The spelling of 2541351977 in words is "two billion, five hundred forty-one million, three hundred fifty-one thousand, nine hundred seventy-seven".