2501411281 has 2 divisors, whose sum is σ = 2501411282. Its totient is φ = 2501411280.

The previous prime is 2501411261. The next prime is 2501411317. The reversal of 2501411281 is 1821141052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483482256 + 1017929025 = 38516^2 + 31905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501411281 - 2¹¹ = 2501409233 is a prime.

It is a super-2 number, since 2×2501411281² = 12514116793428121922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2501411221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250705640 + 1250705641.

It is an arithmetic number, because the mean of its divisors is an integer number (1250705641).

Almost surely, 2^2501411281 is an apocalyptic number.

It is an amenable number.

2501411281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501411281 is an equidigital number, since it uses as much as digits as its factorization.

2501411281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2501411281 is about 50014.1108188479. The cubic root of 2501411281 is about 1357.4641473234.

The spelling of 2501411281 in words is "two billion, five hundred one million, four hundred eleven thousand, two hundred eighty-one".