513232253 has 2 divisors, whose sum is σ = 513232254. Its totient is φ = 513232252.

The previous prime is 513232229. The next prime is 513232283. The reversal of 513232253 is 352232315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481275844 + 31956409 = 21938^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 513232253 - 2⁸ = 513231997 is a prime.

It is equal to p_27015236 and since 513232253 and 27015236 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513232283) 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, 256616126 + 256616127.

It is an arithmetic number, because the mean of its divisors is an integer number (256616127).

Almost surely, 2^513232253 is an apocalyptic number.

It is an amenable number.

513232253 is a deficient number, since it is larger than the sum of its proper divisors (1).

513232253 is an equidigital number, since it uses as much as digits as its factorization.

513232253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 513232253 is about 22654.6298358636. The cubic root of 513232253 is about 800.6412842433.

Adding to 513232253 its reverse (352232315), we get a palindrome (865464568).

The spelling of 513232253 in words is "five hundred thirteen million, two hundred thirty-two thousand, two hundred fifty-three".