25484999 has 4 divisors (see below), whose sum is σ = 25575336. Its totient is φ = 25394664.

The previous prime is 25484993. The next prime is 25485001. The reversal of 25484999 is 99948452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25484999 - 2⁴ = 25484983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25484993) 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, 44744 + ... + 45309.

It is an arithmetic number, because the mean of its divisors is an integer number (6393834).

Almost surely, 2^25484999 is an apocalyptic number.

25484999 is a deficient number, since it is larger than the sum of its proper divisors (90337).

25484999 is an equidigital number, since it uses as much as digits as its factorization.

25484999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90336.

The product of its digits is 933120, while the sum is 50.

The square root of 25484999 is about 5048.2669303435. The cubic root of 25484999 is about 294.2805372896.

The spelling of 25484999 in words is "twenty-five million, four hundred eighty-four thousand, nine hundred ninety-nine".