36609025 has 12 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 29198480.

The previous prime is 36609019. The next prime is 36609043. The reversal of 36609025 is 52090663.

It is not a de Polignac number, because 36609025 - 2⁹ = 36608513 is a prime.

It is a super-2 number, since 2×36609025² = 2680441422901250, which contains 22 as substring.

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, 6936 + ... + 11014.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 2^36609025 is an apocalyptic number.

It is an amenable number.

36609025 is a deficient number, since it is larger than the sum of its proper divisors (8923775).

36609025 is a wasteful number, since it uses less digits than its factorization.

36609025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 36609025 is about 6050.5392321677. The cubic root of 36609025 is about 332.0443189735.

Adding to 36609025 its reverse (52090663), we get a palindrome (88699688).

The spelling of 36609025 in words is "thirty-six million, six hundred nine thousand, twenty-five".