1013533253 has 2 divisors, whose sum is σ = 1013533254. Its totient is φ = 1013533252.

The previous prime is 1013533219. The next prime is 1013533259. The reversal of 1013533253 is 3523353101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989542849 + 23990404 = 31457^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013533253 - 2¹⁸ = 1013271109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013533259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506766626 + 506766627.

It is an arithmetic number, because the mean of its divisors is an integer number (506766627).

Almost surely, 2^1013533253 is an apocalyptic number.

It is an amenable number.

1013533253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013533253 is an equidigital number, since it uses as much as digits as its factorization.

1013533253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1013533253 is about 31836.0370178199. The cubic root of 1013533253 is about 1004.4908860847.

Adding to 1013533253 its reverse (3523353101), we get a palindrome (4536886354).

The spelling of 1013533253 in words is "one billion, thirteen million, five hundred thirty-three thousand, two hundred fifty-three".