1313454251 has 4 divisors (see below), whose sum is σ = 1325504400. Its totient is φ = 1301404104.

The previous prime is 1313454217. The next prime is 1313454271. The reversal of 1313454251 is 1524543131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313454251 - 2¹⁰ = 1313453227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313454271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6024911 + ... + 6025128.

It is an arithmetic number, because the mean of its divisors is an integer number (331376100).

Almost surely, 2^1313454251 is an apocalyptic number.

1313454251 is a deficient number, since it is larger than the sum of its proper divisors (12050149).

1313454251 is a wasteful number, since it uses less digits than its factorization.

1313454251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050148.

The product of its digits is 7200, while the sum is 29.

The square root of 1313454251 is about 36241.6093875534. The cubic root of 1313454251 is about 1095.1450642171.

Adding to 1313454251 its reverse (1524543131), we get a palindrome (2837997382).

The spelling of 1313454251 in words is "one billion, three hundred thirteen million, four hundred fifty-four thousand, two hundred fifty-one".