25475133 has 4 divisors (see below), whose sum is σ = 33966848. Its totient is φ = 16983420.

The previous prime is 25475119. The next prime is 25475141. The reversal of 25475133 is 33157452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25475133 - 2¹³ = 25466941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25475133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25475173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4245853 + ... + 4245858.

It is an arithmetic number, because the mean of its divisors is an integer number (8491712).

Almost surely, 2^25475133 is an apocalyptic number.

It is an amenable number.

25475133 is a deficient number, since it is larger than the sum of its proper divisors (8491715).

25475133 is an equidigital number, since it uses as much as digits as its factorization.

25475133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491714.

The product of its digits is 12600, while the sum is 30.

The square root of 25475133 is about 5047.2896687232. The cubic root of 25475133 is about 294.2425574762.

The spelling of 25475133 in words is "twenty-five million, four hundred seventy-five thousand, one hundred thirty-three".