551597 has 2 divisors, whose sum is σ = 551598. Its totient is φ = 551596.

The previous prime is 551587. The next prime is 551651. The reversal of 551597 is 795155.

551597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 5476 = 739^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 551597 - 2⁴ = 551581 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551597.

It is not a weakly prime, because it can be changed into another prime (551557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275798 + 275799.

It is an arithmetic number, because the mean of its divisors is an integer number (275799).

2⁵⁵¹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

551597 is a deficient number, since it is larger than the sum of its proper divisors (1).

551597 is an equidigital number, since it uses as much as digits as its factorization.

551597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7875, while the sum is 32.

The square root of 551597 is about 742.6957654383. The cubic root of 551597 is about 82.0113507983.

The spelling of 551597 in words is "five hundred fifty-one thousand, five hundred ninety-seven".