133254025 has 6 divisors (see below), whose sum is σ = 165235022. Its totient is φ = 106603200.

The previous prime is 133254001. The next prime is 133254029. The reversal of 133254025 is 520452331.

It can be written as a sum of positive squares in 3 ways, for example, as 3225616 + 130028409 = 1796^2 + 11403^2 .

It is not a de Polignac number, because 133254025 - 2⁵ = 133253993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5330161 = 133254025 / (1 + 3 + 3 + 2 + 5 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133254029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2665056 + ... + 2665105.

Almost surely, 2^133254025 is an apocalyptic number.

It is an amenable number.

133254025 is a deficient number, since it is larger than the sum of its proper divisors (31980997).

133254025 is an equidigital number, since it uses as much as digits as its factorization.

133254025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330171 (or 5330166 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 133254025 is about 11543.5707214016. The cubic root of 133254025 is about 510.7716436328.

The spelling of 133254025 in words is "one hundred thirty-three million, two hundred fifty-four thousand, twenty-five".