361217413 has 2 divisors, whose sum is σ = 361217414. Its totient is φ = 361217412.

The previous prime is 361217401. The next prime is 361217429. The reversal of 361217413 is 314712163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207878724 + 153338689 = 14418^2 + 12383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361217413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361218413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180608706 + 180608707.

It is an arithmetic number, because the mean of its divisors is an integer number (180608707).

Almost surely, 2^361217413 is an apocalyptic number.

It is an amenable number.

361217413 is a deficient number, since it is larger than the sum of its proper divisors (1).

361217413 is an equidigital number, since it uses as much as digits as its factorization.

361217413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 361217413 is about 19005.7205335657. The cubic root of 361217413 is about 712.1796490719.

Adding to 361217413 its reverse (314712163), we get a palindrome (675929576).

It can be divided in two parts, 36121 and 7413, that added together give a palindrome (43534).

The spelling of 361217413 in words is "three hundred sixty-one million, two hundred seventeen thousand, four hundred thirteen".