2555368451 has 2 divisors, whose sum is σ = 2555368452. Its totient is φ = 2555368450.

The previous prime is 2555368433. The next prime is 2555368457. The reversal of 2555368451 is 1548635552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555368451 is a prime.

It is a super-2 number, since 2×2555368451² = 13059815840732278802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2555368457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277684225 + 1277684226.

It is an arithmetic number, because the mean of its divisors is an integer number (1277684226).

Almost surely, 2^2555368451 is an apocalyptic number.

2555368451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555368451 is an equidigital number, since it uses as much as digits as its factorization.

2555368451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720000, while the sum is 44.

The square root of 2555368451 is about 50550.6523301134. The cubic root of 2555368451 is about 1367.1552762602.

The spelling of 2555368451 in words is "two billion, five hundred fifty-five million, three hundred sixty-eight thousand, four hundred fifty-one".