553318253 has 2 divisors, whose sum is σ = 553318254. Its totient is φ = 553318252.

The previous prime is 553318229. The next prime is 553318279. The reversal of 553318253 is 352813355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534673129 + 18645124 = 23123^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 553318253 - 2⁸ = 553317997 is a prime.

It is a super-2 number, since 2×553318253² = 612322178205944018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553318223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276659126 + 276659127.

It is an arithmetic number, because the mean of its divisors is an integer number (276659127).

Almost surely, 2^553318253 is an apocalyptic number.

It is an amenable number.

553318253 is a deficient number, since it is larger than the sum of its proper divisors (1).

553318253 is an equidigital number, since it uses as much as digits as its factorization.

553318253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 553318253 is about 23522.7178064100. The cubic root of 553318253 is about 820.9656742434.

The spelling of 553318253 in words is "five hundred fifty-three million, three hundred eighteen thousand, two hundred fifty-three".