36821825 has 12 divisors (see below), whose sum is σ = 45785388. Its totient is φ = 29376000.

The previous prime is 36821801. The next prime is 36821899. The reversal of 36821825 is 52812863.

It can be written as a sum of positive squares in 6 ways, for example, as 146689 + 36675136 = 383^2 + 6056^2 .

It is not a de Polignac number, because 36821825 - 2¹⁶ = 36756289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8189 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (3815449).

Almost surely, 2^36821825 is an apocalyptic number.

It is an amenable number.

36821825 is a deficient number, since it is larger than the sum of its proper divisors (8963563).

36821825 is a wasteful number, since it uses less digits than its factorization.

36821825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084 (or 4079 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 36821825 is about 6068.0989609597. The cubic root of 36821825 is about 332.6864426316.

The spelling of 36821825 in words is "thirty-six million, eight hundred twenty-one thousand, eight hundred twenty-five".