25426407 has 8 divisors (see below), whose sum is σ = 35896176. Its totient is φ = 15953792.

The previous prime is 25426397. The next prime is 25426439. The reversal of 25426407 is 70462452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25426407 - 2⁶ = 25426343 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249228 + ... + 249329.

It is an arithmetic number, because the mean of its divisors is an integer number (4487022).

Almost surely, 2^25426407 is an apocalyptic number.

25426407 is a deficient number, since it is larger than the sum of its proper divisors (10469769).

25426407 is a wasteful number, since it uses less digits than its factorization.

25426407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498577.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 25426407 is about 5042.4604113468. The cubic root of 25426407 is about 294.0548396013.

Adding to 25426407 its reverse (70462452), we get a palindrome (95888859).

The spelling of 25426407 in words is "twenty-five million, four hundred twenty-six thousand, four hundred seven".