2455056251 has 2 divisors, whose sum is σ = 2455056252. Its totient is φ = 2455056250.

The previous prime is 2455056221. The next prime is 2455056311. The reversal of 2455056251 is 1526505542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455056251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2455056221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227528125 + 1227528126.

It is an arithmetic number, because the mean of its divisors is an integer number (1227528126).

Almost surely, 2^2455056251 is an apocalyptic number.

2455056251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455056251 is an equidigital number, since it uses as much as digits as its factorization.

2455056251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2455056251 is about 49548.5242060750. The cubic root of 2455056251 is about 1349.0265045751.

The spelling of 2455056251 in words is "two billion, four hundred fifty-five million, fifty-six thousand, two hundred fifty-one".