360561389 has 2 divisors, whose sum is σ = 360561390. Its totient is φ = 360561388.

The previous prime is 360561373. The next prime is 360561433. The reversal of 360561389 is 983165063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359405764 + 1155625 = 18958^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 360561389 - 2⁴ = 360561373 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 (360561329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180280694 + 180280695.

It is an arithmetic number, because the mean of its divisors is an integer number (180280695).

Almost surely, 2^360561389 is an apocalyptic number.

It is an amenable number.

360561389 is a deficient number, since it is larger than the sum of its proper divisors (1).

360561389 is an equidigital number, since it uses as much as digits as its factorization.

360561389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 360561389 is about 18988.4540971613. The cubic root of 360561389 is about 711.7482467734.

The spelling of 360561389 in words is "three hundred sixty million, five hundred sixty-one thousand, three hundred eighty-nine".