360420289 has 2 divisors, whose sum is σ = 360420290. Its totient is φ = 360420288.

The previous prime is 360420287. The next prime is 360420331. The reversal of 360420289 is 982024063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360050625 + 369664 = 18975^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 360420289 - 2¹ = 360420287 is a prime.

Together with 360420287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (360420287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180210144 + 180210145.

It is an arithmetic number, because the mean of its divisors is an integer number (180210145).

Almost surely, 2^360420289 is an apocalyptic number.

It is an amenable number.

360420289 is a deficient number, since it is larger than the sum of its proper divisors (1).

360420289 is an equidigital number, since it uses as much as digits as its factorization.

360420289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 360420289 is about 18984.7383179226. The cubic root of 360420289 is about 711.6553908514.

The spelling of 360420289 in words is "three hundred sixty million, four hundred twenty thousand, two hundred eighty-nine".