25020842 has 16 divisors (see below), whose sum is σ = 46792512. Its totient is φ = 9748320.

The previous prime is 25020811. The next prime is 25020887. The reversal of 25020842 is 24802052.

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, 81083 + ... + 81390.

It is an arithmetic number, because the mean of its divisors is an integer number (2924532).

Almost surely, 2^25020842 is an apocalyptic number.

25020842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25020842 is a deficient number, since it is larger than the sum of its proper divisors (21771670).

25020842 is a wasteful number, since it uses less digits than its factorization.

25020842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162493.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 25020842 is about 5002.0837657920. The cubic root of 25020842 is about 292.4830077547.

Adding to 25020842 its reverse (24802052), we get a palindrome (49822894).

The spelling of 25020842 in words is "twenty-five million, twenty thousand, eight hundred forty-two".