25471423 has 4 divisors (see below), whose sum is σ = 26969760. Its totient is φ = 23973088.

The previous prime is 25471393. The next prime is 25471469. The reversal of 25471423 is 32417452.

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 25471423 - 2¹⁷ = 25340351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25471391 and 25471400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25471223) 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, 749143 + ... + 749176.

It is an arithmetic number, because the mean of its divisors is an integer number (6742440).

Almost surely, 2^25471423 is an apocalyptic number.

25471423 is a deficient number, since it is larger than the sum of its proper divisors (1498337).

25471423 is a wasteful number, since it uses less digits than its factorization.

25471423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498336.

The product of its digits is 6720, while the sum is 28.

The square root of 25471423 is about 5046.9221313589. The cubic root of 25471423 is about 294.2282730511.

Adding to 25471423 its reverse (32417452), we get a palindrome (57888875).

The spelling of 25471423 in words is "twenty-five million, four hundred seventy-one thousand, four hundred twenty-three".