1315466641 has 2 divisors, whose sum is σ = 1315466642. Its totient is φ = 1315466640.

The previous prime is 1315466639. The next prime is 1315466689. The reversal of 1315466641 is 1466645131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755150400 + 560316241 = 27480^2 + 23671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315466641 - 2¹ = 1315466639 is a prime.

Together with 1315466639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1315466641.

It is not a weakly prime, because it can be changed into another prime (1315466611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657733320 + 657733321.

It is an arithmetic number, because the mean of its divisors is an integer number (657733321).

Almost surely, 2^1315466641 is an apocalyptic number.

It is an amenable number.

1315466641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315466641 is an equidigital number, since it uses as much as digits as its factorization.

1315466641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 1315466641 is about 36269.3622910577. The cubic root of 1315466641 is about 1095.7040823923.

The spelling of 1315466641 in words is "one billion, three hundred fifteen million, four hundred sixty-six thousand, six hundred forty-one".