25473789 has 12 divisors (see below), whose sum is σ = 40140672. Its totient is φ = 15438600.

The previous prime is 25473757. The next prime is 25473793. The reversal of 25473789 is 98737452.

It is not a de Polignac number, because 25473789 - 2⁵ = 25473757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25473709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128557 + ... + 128754.

It is an arithmetic number, because the mean of its divisors is an integer number (3345056).

Almost surely, 2^25473789 is an apocalyptic number.

It is an amenable number.

25473789 is a deficient number, since it is larger than the sum of its proper divisors (14666883).

25473789 is a wasteful number, since it uses less digits than its factorization.

25473789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257328 (or 257325 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 25473789 is about 5047.1565262036. The cubic root of 25473789 is about 294.2373829012.

It can be divided in two parts, 25473 and 789, that added together give a palindrome (26262).

The spelling of 25473789 in words is "twenty-five million, four hundred seventy-three thousand, seven hundred eighty-nine".