133579025 has 30 divisors (see below), whose sum is σ = 179104422. Its totient is φ = 98769600.

The previous prime is 133579001. The next prime is 133579037. The reversal of 133579025 is 520975331.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 130321 + 133448704 = 361^2 + 11552^2 .

It is not a de Polignac number, because 133579025 - 2¹⁰ = 133578001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3258005 + ... + 3258045.

Almost surely, 2^133579025 is an apocalyptic number.

It is an amenable number.

133579025 is a deficient number, since it is larger than the sum of its proper divisors (45525397).

133579025 is an frugal number, since it uses more digits than its factorization.

133579025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 133579025 is about 11557.6392485663. The cubic root of 133579025 is about 511.1865554546.

The spelling of 133579025 in words is "one hundred thirty-three million, five hundred seventy-nine thousand, twenty-five".