551136253 has 2 divisors, whose sum is σ = 551136254. Its totient is φ = 551136252.

The previous prime is 551136233. The next prime is 551136269. The reversal of 551136253 is 352631155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506340004 + 44796249 = 22502^2 + 6693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551136253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551136233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275568126 + 275568127.

It is an arithmetic number, because the mean of its divisors is an integer number (275568127).

Almost surely, 2^551136253 is an apocalyptic number.

It is an amenable number.

551136253 is a deficient number, since it is larger than the sum of its proper divisors (1).

551136253 is an equidigital number, since it uses as much as digits as its factorization.

551136253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 551136253 is about 23476.2912956881. The cubic root of 551136253 is about 819.8850984155.

The spelling of 551136253 in words is "five hundred fifty-one million, one hundred thirty-six thousand, two hundred fifty-three".