361542113 has 2 divisors, whose sum is σ = 361542114. Its totient is φ = 361542112.

The previous prime is 361542067. The next prime is 361542121. The reversal of 361542113 is 311245163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307195729 + 54346384 = 17527^2 + 7372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361542113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (361542173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180771056 + 180771057.

It is an arithmetic number, because the mean of its divisors is an integer number (180771057).

Almost surely, 2^361542113 is an apocalyptic number.

It is an amenable number.

361542113 is a deficient number, since it is larger than the sum of its proper divisors (1).

361542113 is an equidigital number, since it uses as much as digits as its factorization.

361542113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 361542113 is about 19014.2607797411. The cubic root of 361542113 is about 712.3929790217.

Adding to 361542113 its reverse (311245163), we get a palindrome (672787276).

The spelling of 361542113 in words is "three hundred sixty-one million, five hundred forty-two thousand, one hundred thirteen".