25142426 has 16 divisors (see below), whose sum is σ = 39052800. Its totient is φ = 12127440.

The previous prime is 25142413. The next prime is 25142477. The reversal of 25142426 is 62424152.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25142395 and 25142404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36800 + ... + 37476.

It is an arithmetic number, because the mean of its divisors is an integer number (2440800).

Almost surely, 2^25142426 is an apocalyptic number.

25142426 is a deficient number, since it is larger than the sum of its proper divisors (13910374).

25142426 is a wasteful number, since it uses less digits than its factorization.

25142426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its digits is 3840, while the sum is 26.

The square root of 25142426 is about 5014.2223724123. Note that the first 3 decimals coincide. The cubic root of 25142426 is about 292.9559975389.

Adding to 25142426 its reverse (62424152), we get a palindrome (87566578).

The spelling of 25142426 in words is "twenty-five million, one hundred forty-two thousand, four hundred twenty-six".