133265025 has 18 divisors (see below), whose sum is σ = 238692870. Its totient is φ = 71074560.

The previous prime is 133264987. The next prime is 133265039. The reversal of 133265025 is 520562331.

133265025 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 650 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1089 + 133263936 = 33^2 + 11544^2 .

It is not a de Polignac number, because 133265025 - 2⁶ = 133264961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133265025.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 295920 + ... + 296369.

It is an arithmetic number, because the mean of its divisors is an integer number (13260715).

Almost surely, 2^133265025 is an apocalyptic number.

133265025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133265025 is a deficient number, since it is larger than the sum of its proper divisors (105427845).

133265025 is a wasteful number, since it uses less digits than its factorization.

133265025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592305 (or 592297 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 133265025 is about 11544.0471672633. The cubic root of 133265025 is about 510.7856978261.

The spelling of 133265025 in words is "one hundred thirty-three million, two hundred sixty-five thousand, twenty-five".