285376369 has 2 divisors, whose sum is σ = 285376370. Its totient is φ = 285376368.

The previous prime is 285376363. The next prime is 285376373. The reversal of 285376369 is 963673582.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215737344 + 69639025 = 14688^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 285376369 - 2¹⁷ = 285245297 is a prime.

It is a super-2 number, since 2×285376369² = 162879343967248322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (285376363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142688184 + 142688185.

It is an arithmetic number, because the mean of its divisors is an integer number (142688185).

Almost surely, 2^285376369 is an apocalyptic number.

It is an amenable number.

285376369 is a deficient number, since it is larger than the sum of its proper divisors (1).

285376369 is an equidigital number, since it uses as much as digits as its factorization.

285376369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 285376369 is about 16893.0864261094. The cubic root of 285376369 is about 658.3739963276.

The spelling of 285376369 in words is "two hundred eighty-five million, three hundred seventy-six thousand, three hundred sixty-nine".