25125442 has 16 divisors (see below), whose sum is σ = 38884032. Its totient is φ = 12167280.

The previous prime is 25125433. The next prime is 25125461. The reversal of 25125442 is 24452152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18817 + ... + 20107.

It is an arithmetic number, because the mean of its divisors is an integer number (2430252).

Almost surely, 2^25125442 is an apocalyptic number.

25125442 is a deficient number, since it is larger than the sum of its proper divisors (13758590).

25125442 is a wasteful number, since it uses less digits than its factorization.

25125442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 3200, while the sum is 25.

The square root of 25125442 is about 5012.5285036596. The cubic root of 25125442 is about 292.8900176233.

Adding to 25125442 its reverse (24452152), we get a palindrome (49577594).

The spelling of 25125442 in words is "twenty-five million, one hundred twenty-five thousand, four hundred forty-two".