551460851 has 2 divisors, whose sum is σ = 551460852. Its totient is φ = 551460850.

The previous prime is 551460827. The next prime is 551460869. The reversal of 551460851 is 158064155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551460851 - 2¹⁸ = 551198707 is a prime.

It is not a weakly prime, because it can be changed into another prime (551480851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275730425 + 275730426.

It is an arithmetic number, because the mean of its divisors is an integer number (275730426).

Almost surely, 2^551460851 is an apocalyptic number.

551460851 is a deficient number, since it is larger than the sum of its proper divisors (1).

551460851 is an equidigital number, since it uses as much as digits as its factorization.

551460851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 551460851 is about 23483.2035932068. The cubic root of 551460851 is about 820.0460270615.

The spelling of 551460851 in words is "five hundred fifty-one million, four hundred sixty thousand, eight hundred fifty-one".