36509725 has 12 divisors (see below), whose sum is σ = 51739744. Its totient is φ = 25035120.

The previous prime is 36509719. The next prime is 36509729. The reversal of 36509725 is 52790563.

It is not a de Polignac number, because 36509725 - 2⁷ = 36509597 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36509729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104139 + ... + 104488.

Almost surely, 2^36509725 is an apocalyptic number.

36509725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36509725 is a deficient number, since it is larger than the sum of its proper divisors (15230019).

36509725 is a wasteful number, since it uses less digits than its factorization.

36509725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208644 (or 208639 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 36509725 is about 6042.3277799206. The cubic root of 36509725 is about 331.7438297046.

The spelling of 36509725 in words is "thirty-six million, five hundred nine thousand, seven hundred twenty-five".