25133245 has 4 divisors (see below), whose sum is σ = 30159900. Its totient is φ = 20106592.

The previous prime is 25133221. The next prime is 25133263. The reversal of 25133245 is 54233152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3286969 + 21846276 = 1813^2 + 4674^2 .

It is a cyclic number.

It is not a de Polignac number, because 25133245 - 2²¹ = 23036093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513320 + ... + 2513329.

It is an arithmetic number, because the mean of its divisors is an integer number (7539975).

Almost surely, 2^25133245 is an apocalyptic number.

It is an amenable number.

25133245 is a deficient number, since it is larger than the sum of its proper divisors (5026655).

25133245 is an equidigital number, since it uses as much as digits as its factorization.

25133245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026654.

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

The square root of 25133245 is about 5013.3067929262. The cubic root of 25133245 is about 292.9203346258.

Adding to 25133245 its reverse (54233152), we get a palindrome (79366397).

The spelling of 25133245 in words is "twenty-five million, one hundred thirty-three thousand, two hundred forty-five".