551061527 has 2 divisors, whose sum is σ = 551061528. Its totient is φ = 551061526.

The previous prime is 551061523. The next prime is 551061529. The reversal of 551061527 is 725160155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551061527 - 2² = 551061523 is a prime.

Together with 551061529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 551061493 and 551061502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551061521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275530763 + 275530764.

It is an arithmetic number, because the mean of its divisors is an integer number (275530764).

Almost surely, 2^551061527 is an apocalyptic number.

551061527 is a deficient number, since it is larger than the sum of its proper divisors (1).

551061527 is an equidigital number, since it uses as much as digits as its factorization.

551061527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 551061527 is about 23474.6997211892. The cubic root of 551061527 is about 819.8480419388.

The spelling of 551061527 in words is "five hundred fifty-one million, sixty-one thousand, five hundred twenty-seven".