25653142 has 16 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 12119272.

The previous prime is 25653137. The next prime is 25653157. The reversal of 25653142 is 24135652.

It is a self number, because there is not a number n which added to its sum of digits gives 25653142.

It is a congruent number.

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, 459 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^25653142 is an apocalyptic number.

25653142 is a deficient number, since it is larger than the sum of its proper divisors (14989418).

25653142 is a wasteful number, since it uses less digits than its factorization.

25653142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827.

The product of its digits is 7200, while the sum is 28.

The square root of 25653142 is about 5064.8930887038. The cubic root of 25653142 is about 294.9263131095.

Adding to 25653142 its reverse (24135652), we get a palindrome (49788794).

The spelling of 25653142 in words is "twenty-five million, six hundred fifty-three thousand, one hundred forty-two".