551463193 has 2 divisors, whose sum is σ = 551463194. Its totient is φ = 551463192.

The previous prime is 551463191. The next prime is 551463293. The reversal of 551463193 is 391364155.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539539984 + 11923209 = 23228^2 + 3453^2 .

It is a cyclic number.

It is not a de Polignac number, because 551463193 - 2¹ = 551463191 is a prime.

It is a super-2 number, since 2×551463193² = 608223306467510498, which contains 22 as substring.

Together with 551463191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (551463191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275731596 + 275731597.

It is an arithmetic number, because the mean of its divisors is an integer number (275731597).

Almost surely, 2^551463193 is an apocalyptic number.

It is an amenable number.

551463193 is a deficient number, since it is larger than the sum of its proper divisors (1).

551463193 is an equidigital number, since it uses as much as digits as its factorization.

551463193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 551463193 is about 23483.2534585819. The cubic root of 551463193 is about 820.0471879448.

The spelling of 551463193 in words is "five hundred fifty-one million, four hundred sixty-three thousand, one hundred ninety-three".