551502197 has 2 divisors, whose sum is σ = 551502198. Its totient is φ = 551502196.

The previous prime is 551502191. The next prime is 551502223. The reversal of 551502197 is 791205155.

551502197 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., 440958001 + 110544196 = 20999^2 + 10514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551502197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551502191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275751098 + 275751099.

It is an arithmetic number, because the mean of its divisors is an integer number (275751099).

Almost surely, 2^551502197 is an apocalyptic number.

It is an amenable number.

551502197 is a deficient number, since it is larger than the sum of its proper divisors (1).

551502197 is an equidigital number, since it uses as much as digits as its factorization.

551502197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 551502197 is about 23484.0839080429. The cubic root of 551502197 is about 820.0665209767.

The spelling of 551502197 in words is "five hundred fifty-one million, five hundred two thousand, one hundred ninety-seven".