551541163 has 2 divisors, whose sum is σ = 551541164. Its totient is φ = 551541162.

The previous prime is 551541121. The next prime is 551541257. The reversal of 551541163 is 361145155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551541163 - 2²⁵ = 517986731 is a prime.

It is a super-3 number, since 3×551541163³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (551541563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275770581 + 275770582.

It is an arithmetic number, because the mean of its divisors is an integer number (275770582).

Almost surely, 2^551541163 is an apocalyptic number.

551541163 is a deficient number, since it is larger than the sum of its proper divisors (1).

551541163 is an equidigital number, since it uses as much as digits as its factorization.

551541163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 31.

The square root of 551541163 is about 23484.9135191084. The cubic root of 551541163 is about 820.0858342630.

The spelling of 551541163 in words is "five hundred fifty-one million, five hundred forty-one thousand, one hundred sixty-three".