36505863 has 8 divisors (see below), whose sum is σ = 54082800. Its totient is φ = 24337224.

The previous prime is 36505849. The next prime is 36505907. The reversal of 36505863 is 36850563.

It is not a de Polignac number, because 36505863 - 2⁵ = 36505831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36505463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676008 + ... + 676061.

It is an arithmetic number, because the mean of its divisors is an integer number (6760350).

Almost surely, 2^36505863 is an apocalyptic number.

36505863 is a deficient number, since it is larger than the sum of its proper divisors (17576937).

36505863 is a wasteful number, since it uses less digits than its factorization.

36505863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352078 (or 1352072 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 36505863 is about 6042.0081926459. The cubic root of 36505863 is about 331.7321320008.

The spelling of 36505863 in words is "thirty-six million, five hundred five thousand, eight hundred sixty-three".