1351311253 has 2 divisors, whose sum is σ = 1351311254. Its totient is φ = 1351311252.

The previous prime is 1351311229. The next prime is 1351311257. The reversal of 1351311253 is 3521131531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1323358884 + 27952369 = 36378^2 + 5287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351311253 - 2²⁵ = 1317756821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351311257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675655626 + 675655627.

It is an arithmetic number, because the mean of its divisors is an integer number (675655627).

Almost surely, 2^1351311253 is an apocalyptic number.

It is an amenable number.

1351311253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351311253 is an equidigital number, since it uses as much as digits as its factorization.

1351311253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 25.

The square root of 1351311253 is about 36760.1857041011. The cubic root of 1351311253 is about 1105.5671632352.

Adding to 1351311253 its reverse (3521131531), we get a palindrome (4872442784).

The spelling of 1351311253 in words is "one billion, three hundred fifty-one million, three hundred eleven thousand, two hundred fifty-three".