25001426 has 8 divisors (see below), whose sum is σ = 37954224. Its totient is φ = 12350020.

The previous prime is 25001401. The next prime is 25001453. The reversal of 25001426 is 62410052.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25001398 and 25001407.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75140 + ... + 75471.

It is an arithmetic number, because the mean of its divisors is an integer number (4744278).

Almost surely, 2^25001426 is an apocalyptic number.

25001426 is a deficient number, since it is larger than the sum of its proper divisors (12952798).

25001426 is a wasteful number, since it uses less digits than its factorization.

25001426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150696.

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

The square root of 25001426 is about 5000.1425979666. The cubic root of 25001426 is about 292.4073332480.

Adding to 25001426 its reverse (62410052), we get a palindrome (87411478).

The spelling of 25001426 in words is "twenty-five million, one thousand, four hundred twenty-six".