1315049 has 2 divisors, whose sum is σ = 1315050. Its totient is φ = 1315048.

The previous prime is 1315037. The next prime is 1315073. The reversal of 1315049 is 9405131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 71824 = 1115^2 + 268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1315019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657524 + 657525.

It is an arithmetic number, because the mean of its divisors is an integer number (657525).

2^1315049 is an apocalyptic number.

It is an amenable number.

1315049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315049 is an equidigital number, since it uses as much as digits as its factorization.

1315049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1315049 is about 1146.7558589342. The cubic root of 1315049 is about 109.5588113561.

The spelling of 1315049 in words is "one million, three hundred fifteen thousand, forty-nine".