25448423 has 16 divisors (see below), whose sum is σ = 34169856. Its totient is φ = 18303840.

The previous prime is 25448383. The next prime is 25448431. The reversal of 25448423 is 32484452.

It is a cyclic number.

It is not a de Polignac number, because 25448423 - 2⁶ = 25448359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25448423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25448323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11711 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (2135616).

Almost surely, 2^25448423 is an apocalyptic number.

25448423 is a deficient number, since it is larger than the sum of its proper divisors (8721433).

25448423 is a wasteful number, since it uses less digits than its factorization.

25448423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25454.

The product of its digits is 30720, while the sum is 32.

The square root of 25448423 is about 5044.6430002528. The cubic root of 25448423 is about 294.1396863477.

The spelling of 25448423 in words is "twenty-five million, four hundred forty-eight thousand, four hundred twenty-three".