1315150253 has 4 divisors (see below), whose sum is σ = 1333673568. Its totient is φ = 1296626940.

The previous prime is 1315150229. The next prime is 1315150259. The reversal of 1315150253 is 3520515131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315150253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315150259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261551 + ... + 9261692.

It is an arithmetic number, because the mean of its divisors is an integer number (333418392).

Almost surely, 2^1315150253 is an apocalyptic number.

It is an amenable number.

1315150253 is a deficient number, since it is larger than the sum of its proper divisors (18523315).

1315150253 is an equidigital number, since it uses as much as digits as its factorization.

1315150253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523314.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1315150253 is about 36265.0003860472. Note that the first 3 decimals coincide. The cubic root of 1315150253 is about 1095.6162313315.

Adding to 1315150253 its reverse (3520515131), we get a palindrome (4835665384).

The spelling of 1315150253 in words is "one billion, three hundred fifteen million, one hundred fifty thousand, two hundred fifty-three".