1313225553 has 8 divisors (see below), whose sum is σ = 1753087968. Its totient is φ = 874423424.

The previous prime is 1313225521. The next prime is 1313225579. The reversal of 1313225553 is 3555223131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313225553 - 2⁵ = 1313225521 is a prime.

It is a super-2 number, since 2×1313225553² = 3449122706104311618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313225553.

It is not an unprimeable number, because it can be changed into a prime (1313225153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262176 + ... + 267137.

It is an arithmetic number, because the mean of its divisors is an integer number (219135996).

Almost surely, 2^1313225553 is an apocalyptic number.

It is an amenable number.

1313225553 is a deficient number, since it is larger than the sum of its proper divisors (439862415).

1313225553 is an equidigital number, since it uses as much as digits as its factorization.

1313225553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530143.

The product of its digits is 13500, while the sum is 30.

The square root of 1313225553 is about 36238.4540647087. The cubic root of 1313225553 is about 1095.0814984899.

Adding to 1313225553 its reverse (3555223131), we get a palindrome (4868448684).

The spelling of 1313225553 in words is "one billion, three hundred thirteen million, two hundred twenty-five thousand, five hundred fifty-three".