551130061 has 2 divisors, whose sum is σ = 551130062. Its totient is φ = 551130060.

The previous prime is 551130029. The next prime is 551130067. The reversal of 551130061 is 160031155.

551130061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342472036 + 208658025 = 18506^2 + 14445^2 .

It is a cyclic number.

It is not a de Polignac number, because 551130061 - 2⁵ = 551130029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551130067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275565030 + 275565031.

It is an arithmetic number, because the mean of its divisors is an integer number (275565031).

Almost surely, 2^551130061 is an apocalyptic number.

It is an amenable number.

551130061 is a deficient number, since it is larger than the sum of its proper divisors (1).

551130061 is an equidigital number, since it uses as much as digits as its factorization.

551130061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 551130061 is about 23476.1594175879. The cubic root of 551130061 is about 819.8820279421.

The spelling of 551130061 in words is "five hundred fifty-one million, one hundred thirty thousand, sixty-one".