361225313 has 2 divisors, whose sum is σ = 361225314. Its totient is φ = 361225312.

The previous prime is 361225273. The next prime is 361225349. The reversal of 361225313 is 313522163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208282624 + 152942689 = 14432^2 + 12367^2 .

It is an emirp because it is prime and its reverse (313522163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361225313 - 2⁸ = 361225057 is a prime.

It is not a weakly prime, because it can be changed into another prime (361225913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180612656 + 180612657.

It is an arithmetic number, because the mean of its divisors is an integer number (180612657).

Almost surely, 2^361225313 is an apocalyptic number.

It is an amenable number.

361225313 is a deficient number, since it is larger than the sum of its proper divisors (1).

361225313 is an equidigital number, since it uses as much as digits as its factorization.

361225313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 361225313 is about 19005.9283645919. The cubic root of 361225313 is about 712.1848409389.

Adding to 361225313 its reverse (313522163), we get a palindrome (674747476).

The spelling of 361225313 in words is "three hundred sixty-one million, two hundred twenty-five thousand, three hundred thirteen".