1456713217 has 2 divisors, whose sum is σ = 1456713218. Its totient is φ = 1456713216.

The previous prime is 1456713179. The next prime is 1456713227. The reversal of 1456713217 is 7123176541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1408951296 + 47761921 = 37536^2 + 6911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1456713217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1456713227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728356608 + 728356609.

It is an arithmetic number, because the mean of its divisors is an integer number (728356609).

Almost surely, 2^1456713217 is an apocalyptic number.

It is an amenable number.

1456713217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456713217 is an equidigital number, since it uses as much as digits as its factorization.

1456713217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 1456713217 is about 38166.9125945497. The cubic root of 1456713217 is about 1133.5952572151.

Adding to 1456713217 its reverse (7123176541), we get a palindrome (8579889758).

The spelling of 1456713217 in words is "one billion, four hundred fifty-six million, seven hundred thirteen thousand, two hundred seventeen".