25026401 has 8 divisors (see below), whose sum is σ = 26395200. Its totient is φ = 23662800.

The previous prime is 25026389. The next prime is 25026413. The reversal of 25026401 is 10462052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25026389) and next prime (25026413).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25026401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25022401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12380 + ... + 14258.

It is an arithmetic number, because the mean of its divisors is an integer number (3299400).

Almost surely, 2^25026401 is an apocalyptic number.

It is an amenable number.

25026401 is a deficient number, since it is larger than the sum of its proper divisors (1368799).

25026401 is a wasteful number, since it uses less digits than its factorization.

25026401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25026401 is about 5002.6394033550. The cubic root of 25026401 is about 292.5046669331.

Adding to 25026401 its reverse (10462052), we get a palindrome (35488453).

The spelling of 25026401 in words is "twenty-five million, twenty-six thousand, four hundred one".