133285625 has 20 divisors (see below), whose sum is σ = 181704336. Its totient is φ = 96930000.

The previous prime is 133285613. The next prime is 133285637. The reversal of 133285625 is 526582331.

It is an interprime number because it is at equal distance from previous prime (133285613) and next prime (133285637).

It is not a de Polignac number, because 133285625 - 2¹⁶ = 133220089 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2819 + ... + 16568.

Almost surely, 2^133285625 is an apocalyptic number.

It is an amenable number.

133285625 is a deficient number, since it is larger than the sum of its proper divisors (48418711).

133285625 is an equidigital number, since it uses as much as digits as its factorization.

133285625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19418 (or 19403 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 133285625 is about 11544.9393675324. The cubic root of 133285625 is about 510.8120154171.

The spelling of 133285625 in words is "one hundred thirty-three million, two hundred eighty-five thousand, six hundred twenty-five".