133012625 has 16 divisors (see below), whose sum is σ = 166530000. Its totient is φ = 106070400.

The previous prime is 133012619. The next prime is 133012637. The reversal of 133012625 is 526210331.

It can be written as a sum of positive squares in 8 ways, for example, as 56415121 + 76597504 = 7511^2 + 8752^2 .

It is not a de Polignac number, because 133012625 - 2²² = 128818321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133012625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42101 + ... + 45149.

It is an arithmetic number, because the mean of its divisors is an integer number (10408125).

Almost surely, 2^133012625 is an apocalyptic number.

It is an amenable number.

133012625 is a deficient number, since it is larger than the sum of its proper divisors (33517375).

133012625 is an equidigital number, since it uses as much as digits as its factorization.

133012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 133012625 is about 11533.1099448501. The cubic root of 133012625 is about 510.4630230469.

Adding to 133012625 its reverse (526210331), we get a palindrome (659222956).

The spelling of 133012625 in words is "one hundred thirty-three million, twelve thousand, six hundred twenty-five".