25453514 has 4 divisors (see below), whose sum is σ = 38180274. Its totient is φ = 12726756.

The previous prime is 25453513. The next prime is 25453517. The reversal of 25453514 is 41535452.

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

It can be written as a sum of positive squares in only one way, i.e., 16851025 + 8602489 = 4105^2 + 2933^2 .

It is not an unprimeable number, because it can be changed into a prime (25453513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363377 + ... + 6363380.

Almost surely, 2^25453514 is an apocalyptic number.

25453514 is a deficient number, since it is larger than the sum of its proper divisors (12726760).

25453514 is a wasteful number, since it uses less digits than its factorization.

25453514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726759.

The product of its digits is 12000, while the sum is 29.

The square root of 25453514 is about 5045.1475696951. The cubic root of 25453514 is about 294.1592994202.

Adding to 25453514 its reverse (41535452), we get a palindrome (66988966).

The spelling of 25453514 in words is "twenty-five million, four hundred fifty-three thousand, five hundred fourteen".