361020559 has 2 divisors, whose sum is σ = 361020560. Its totient is φ = 361020558.

The previous prime is 361020557. The next prime is 361020571. The reversal of 361020559 is 955020163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361020559 - 2¹ = 361020557 is a prime.

Together with 361020557, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 361020559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361020557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180510279 + 180510280.

It is an arithmetic number, because the mean of its divisors is an integer number (180510280).

Almost surely, 2^361020559 is an apocalyptic number.

361020559 is a deficient number, since it is larger than the sum of its proper divisors (1).

361020559 is an equidigital number, since it uses as much as digits as its factorization.

361020559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 361020559 is about 19000.5410186131. The cubic root of 361020559 is about 712.0502524972.

The spelling of 361020559 in words is "three hundred sixty-one million, twenty thousand, five hundred fifty-nine".