1217415413 has 2 divisors, whose sum is σ = 1217415414. Its totient is φ = 1217415412.

The previous prime is 1217415391. The next prime is 1217415469. The reversal of 1217415413 is 3145147121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1165676164 + 51739249 = 34142^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1217415413 - 2⁶ = 1217415349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1217415313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608707706 + 608707707.

It is an arithmetic number, because the mean of its divisors is an integer number (608707707).

Almost surely, 2^1217415413 is an apocalyptic number.

It is an amenable number.

1217415413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217415413 is an equidigital number, since it uses as much as digits as its factorization.

1217415413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 1217415413 is about 34891.4805217549. The cubic root of 1217415413 is about 1067.7746316278.

The spelling of 1217415413 in words is "one billion, two hundred seventeen million, four hundred fifteen thousand, four hundred thirteen".