1316250241 has 4 divisors (see below), whose sum is σ = 1319069232. Its totient is φ = 1313431252.

The previous prime is 1316250217. The next prime is 1316250307. The reversal of 1316250241 is 1420526131.

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 not a de Polignac number, because 1316250241 - 2⁵ = 1316250209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316250641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408795 + ... + 1409728.

It is an arithmetic number, because the mean of its divisors is an integer number (329767308).

Almost surely, 2^1316250241 is an apocalyptic number.

It is an amenable number.

1316250241 is a deficient number, since it is larger than the sum of its proper divisors (2818991).

1316250241 is an equidigital number, since it uses as much as digits as its factorization.

1316250241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818990.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1316250241 is about 36280.1631887179. The cubic root of 1316250241 is about 1095.9216029957.

Adding to 1316250241 its reverse (1420526131), we get a palindrome (2736776372).

The spelling of 1316250241 in words is "one billion, three hundred sixteen million, two hundred fifty thousand, two hundred forty-one".