36285869 has 2 divisors, whose sum is σ = 36285870. Its totient is φ = 36285868.

The previous prime is 36285829. The next prime is 36285889. The reversal of 36285869 is 96858263.

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., 35880100 + 405769 = 5990^2 + 637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36285869 is a prime.

It is a super-2 number, since 2×36285869² = 2633328578170322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36285829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18142934 + 18142935.

It is an arithmetic number, because the mean of its divisors is an integer number (18142935).

Almost surely, 2^36285869 is an apocalyptic number.

It is an amenable number.

36285869 is a deficient number, since it is larger than the sum of its proper divisors (1).

36285869 is an equidigital number, since it uses as much as digits as its factorization.

36285869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 36285869 is about 6023.7753112147. The cubic root of 36285869 is about 331.0644203649.

The spelling of 36285869 in words is "thirty-six million, two hundred eighty-five thousand, eight hundred sixty-nine".