551115451 has 2 divisors, whose sum is σ = 551115452. Its totient is φ = 551115450.

The previous prime is 551115413. The next prime is 551115457. The reversal of 551115451 is 154511155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551115451 - 2⁹ = 551114939 is a prime.

It is not a weakly prime, because it can be changed into another prime (551115457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275557725 + 275557726.

It is an arithmetic number, because the mean of its divisors is an integer number (275557726).

Almost surely, 2^551115451 is an apocalyptic number.

551115451 is a deficient number, since it is larger than the sum of its proper divisors (1).

551115451 is an equidigital number, since it uses as much as digits as its factorization.

551115451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500, while the sum is 28.

The square root of 551115451 is about 23475.8482487854. The cubic root of 551115451 is about 819.8747830810.

The spelling of 551115451 in words is "five hundred fifty-one million, one hundred fifteen thousand, four hundred fifty-one".