636225093 has 24 divisors (see below), whose sum is σ = 1055628288. Its totient is φ = 361704672.

The previous prime is 636225071. The next prime is 636225097. The reversal of 636225093 is 390522636.

It is not a de Polignac number, because 636225093 - 2¹⁴ = 636208709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636225097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13221 + ... + 38042.

It is an arithmetic number, because the mean of its divisors is an integer number (43984512).

Almost surely, 2^636225093 is an apocalyptic number.

636225093 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

636225093 is a deficient number, since it is larger than the sum of its proper divisors (419403195).

636225093 is a wasteful number, since it uses less digits than its factorization.

636225093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51473 (or 51470 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 636225093 is about 25223.5027900567. The cubic root of 636225093 is about 860.0762024599.

It can be divided in two parts, 63 and 6225093, that added together give a triangular number (6225156 = T₃₅₂₈).

The spelling of 636225093 in words is "six hundred thirty-six million, two hundred twenty-five thousand, ninety-three".