553001231 has 2 divisors, whose sum is σ = 553001232. Its totient is φ = 553001230.

The previous prime is 553001131. The next prime is 553001263. The reversal of 553001231 is 132100355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553001231 - 2²² = 548806927 is a prime.

It is a super-2 number, since 2×553001231² = 611620722975030722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553001291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276500615 + 276500616.

It is an arithmetic number, because the mean of its divisors is an integer number (276500616).

Almost surely, 2^553001231 is an apocalyptic number.

553001231 is a deficient number, since it is larger than the sum of its proper divisors (1).

553001231 is an equidigital number, since it uses as much as digits as its factorization.

553001231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 553001231 is about 23515.9782063175. The cubic root of 553001231 is about 820.8088543660.

Adding to 553001231 its reverse (132100355), we get a palindrome (685101586).

The spelling of 553001231 in words is "five hundred fifty-three million, one thousand, two hundred thirty-one".