25745133 has 8 divisors (see below), whose sum is σ = 36133600. Its totient is φ = 16260048.

The previous prime is 25745117. The next prime is 25745141. The reversal of 25745133 is 33154752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25745133 - 2⁴ = 25745117 is a prime.

It is a Duffinian number.

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 25745133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25745173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225778 + ... + 225891.

It is an arithmetic number, because the mean of its divisors is an integer number (4516700).

Almost surely, 2^25745133 is an apocalyptic number.

It is an amenable number.

25745133 is a deficient number, since it is larger than the sum of its proper divisors (10388467).

25745133 is a wasteful number, since it uses less digits than its factorization.

25745133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451691.

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

The square root of 25745133 is about 5073.9662001239. The cubic root of 25745133 is about 295.2784233405.

Adding to 25745133 its reverse (33154752), we get a palindrome (58899885).

It can be divided in two parts, 25745 and 133, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 25745133 in words is "twenty-five million, seven hundred forty-five thousand, one hundred thirty-three".