513046253 has 2 divisors, whose sum is σ = 513046254. Its totient is φ = 513046252.

The previous prime is 513046229. The next prime is 513046267. The reversal of 513046253 is 352640315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353327209 + 159719044 = 18797^2 + 12638^2 .

It is a cyclic number.

It is not a de Polignac number, because 513046253 - 2¹⁰ = 513045229 is a prime.

It is a super-3 number, since 3×513046253³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513046283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256523126 + 256523127.

It is an arithmetic number, because the mean of its divisors is an integer number (256523127).

Almost surely, 2^513046253 is an apocalyptic number.

It is an amenable number.

513046253 is a deficient number, since it is larger than the sum of its proper divisors (1).

513046253 is an equidigital number, since it uses as much as digits as its factorization.

513046253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 513046253 is about 22650.5243427167. The cubic root of 513046253 is about 800.5445526814.

Adding to 513046253 its reverse (352640315), we get a palindrome (865686568).

The spelling of 513046253 in words is "five hundred thirteen million, forty-six thousand, two hundred fifty-three".