361403113 has 4 divisors (see below), whose sum is σ = 361447300. Its totient is φ = 361358928.

The previous prime is 361403083. The next prime is 361403129. The reversal of 361403113 is 311304163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 236790544 + 124612569 = 15388^2 + 11163^2 .

It is a cyclic number.

It is not a de Polignac number, because 361403113 - 2²⁵ = 327848681 is a prime.

It is a super-2 number, since 2×361403113² = 261224420172181538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361403213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5838 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (90361825).

Almost surely, 2^361403113 is an apocalyptic number.

It is an amenable number.

361403113 is a deficient number, since it is larger than the sum of its proper divisors (44187).

361403113 is a wasteful number, since it uses less digits than its factorization.

361403113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44186.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 361403113 is about 19010.6052770552. The cubic root of 361403113 is about 712.3016707863.

Adding to 361403113 its reverse (311304163), we get a palindrome (672707276).

The spelling of 361403113 in words is "three hundred sixty-one million, four hundred three thousand, one hundred thirteen".