551712071 has 2 divisors, whose sum is σ = 551712072. Its totient is φ = 551712070.

The previous prime is 551712061. The next prime is 551712097. The reversal of 551712071 is 170217155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551712071 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551712001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275856035 + 275856036.

It is an arithmetic number, because the mean of its divisors is an integer number (275856036).

Almost surely, 2^551712071 is an apocalyptic number.

551712071 is a deficient number, since it is larger than the sum of its proper divisors (1).

551712071 is an equidigital number, since it uses as much as digits as its factorization.

551712071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 551712071 is about 23488.5519136451. The cubic root of 551712071 is about 820.1705331422.

The spelling of 551712071 in words is "five hundred fifty-one million, seven hundred twelve thousand, seventy-one".