1512313447 has 2 divisors, whose sum is σ = 1512313448. Its totient is φ = 1512313446.

The previous prime is 1512313381. The next prime is 1512313487. The reversal of 1512313447 is 7443132151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1512313447 - 2¹¹ = 1512311399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1512313487) 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 as a sum of consecutive naturals, namely, 756156723 + 756156724.

It is an arithmetic number, because the mean of its divisors is an integer number (756156724).

Almost surely, 2^1512313447 is an apocalyptic number.

1512313447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512313447 is an equidigital number, since it uses as much as digits as its factorization.

1512313447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 1512313447 is about 38888.4744750935. The cubic root of 1512313447 is about 1147.8380166888.

Adding to 1512313447 its reverse (7443132151), we get a palindrome (8955445598).

The spelling of 1512313447 in words is "one billion, five hundred twelve million, three hundred thirteen thousand, four hundred forty-seven".