36725509 has 2 divisors, whose sum is σ = 36725510. Its totient is φ = 36725508.

The previous prime is 36725501. The next prime is 36725551. The reversal of 36725509 is 90552763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23980609 + 12744900 = 4897^2 + 3570^2 .

It is a cyclic number.

It is not a de Polignac number, because 36725509 - 2³ = 36725501 is a prime.

It is a super-2 number, since 2×36725509² = 2697526022618162, 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 (36725501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18362754 + 18362755.

It is an arithmetic number, because the mean of its divisors is an integer number (18362755).

Almost surely, 2^36725509 is an apocalyptic number.

It is an amenable number.

36725509 is a deficient number, since it is larger than the sum of its proper divisors (1).

36725509 is an equidigital number, since it uses as much as digits as its factorization.

36725509 is an odious number, because the sum of its binary digits is odd.

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

The square root of 36725509 is about 6060.1575062039. The cubic root of 36725509 is about 332.3961165661.

The spelling of 36725509 in words is "thirty-six million, seven hundred twenty-five thousand, five hundred nine".