285734069 has 2 divisors, whose sum is σ = 285734070. Its totient is φ = 285734068.

The previous prime is 285734041. The next prime is 285734093. The reversal of 285734069 is 960437582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271821169 + 13912900 = 16487^2 + 3730^2 .

It is a cyclic number.

It is not a de Polignac number, because 285734069 - 2¹² = 285729973 is a prime.

It is a super-2 number, since 2×285734069² = 163287916374593522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285736069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142867034 + 142867035.

It is an arithmetic number, because the mean of its divisors is an integer number (142867035).

Almost surely, 2^285734069 is an apocalyptic number.

It is an amenable number.

285734069 is a deficient number, since it is larger than the sum of its proper divisors (1).

285734069 is an equidigital number, since it uses as much as digits as its factorization.

285734069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 285734069 is about 16903.6702819240. The cubic root of 285734069 is about 658.6489572539.

The spelling of 285734069 in words is "two hundred eighty-five million, seven hundred thirty-four thousand, sixty-nine".