361562013 has 6 divisors (see below), whose sum is σ = 522256254. Its totient is φ = 241041336.

The previous prime is 361562011. The next prime is 361562041. The reversal of 361562013 is 310265163.

361562013 is a `hidden beast` number, since 36 + 1 + 5 + 620 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 286184889 + 75377124 = 16917^2 + 8682^2 .

It is not a de Polignac number, because 361562013 - 2¹ = 361562011 is a prime.

It is a super-2 number, since 2×361562013² = 261454178489224338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361562011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20086770 + ... + 20086787.

It is an arithmetic number, because the mean of its divisors is an integer number (87042709).

Almost surely, 2^361562013 is an apocalyptic number.

It is an amenable number.

361562013 is a deficient number, since it is larger than the sum of its proper divisors (160694241).

361562013 is a wasteful number, since it uses less digits than its factorization.

361562013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40173563 (or 40173560 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 361562013 is about 19014.7840639856. The cubic root of 361562013 is about 712.4060492927.

The spelling of 361562013 in words is "three hundred sixty-one million, five hundred sixty-two thousand, thirteen".