25453000 has 32 divisors (see below), whose sum is σ = 59562360. Its totient is φ = 10180800.

The previous prime is 25452967. The next prime is 25453009. The reversal of 25453000 is 35452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7322436 + 18130564 = 2706^2 + 4258^2 .

It is not an unprimeable number, because it can be changed into a prime (25453009) 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, 11727 + ... + 13726.

Almost surely, 2^25453000 is an apocalyptic number.

25453000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25453000 is an abundant number, since it is smaller than the sum of its proper divisors (34109360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25453000 is a wasteful number, since it uses less digits than its factorization.

25453000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25474 (or 25460 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25453000 is about 5045.0966294017. The cubic root of 25453000 is about 294.1573193544.

Adding to 25453000 its reverse (35452), we get a palindrome (25488452).

The spelling of 25453000 in words is "twenty-five million, four hundred fifty-three thousand".