361418621 has 2 divisors, whose sum is σ = 361418622. Its totient is φ = 361418620.

The previous prime is 361418609. The next prime is 361418633. The reversal of 361418621 is 126814163.

It is a balanced prime because it is at equal distance from previous prime (361418609) and next prime (361418633).

It can be written as a sum of positive squares in only one way, i.e., 343694521 + 17724100 = 18539^2 + 4210^2 .

It is a cyclic number.

It is not a de Polignac number, because 361418621 - 2⁶ = 361418557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361418641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180709310 + 180709311.

It is an arithmetic number, because the mean of its divisors is an integer number (180709311).

Almost surely, 2^361418621 is an apocalyptic number.

It is an amenable number.

361418621 is a deficient number, since it is larger than the sum of its proper divisors (1).

361418621 is an equidigital number, since it uses as much as digits as its factorization.

361418621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 361418621 is about 19011.0131502769. The cubic root of 361418621 is about 712.3118590552.

The spelling of 361418621 in words is "three hundred sixty-one million, four hundred eighteen thousand, six hundred twenty-one".