42110025 has 24 divisors (see below), whose sum is σ = 70185984. Its totient is φ = 22276800.

The previous prime is 42110017. The next prime is 42110027. The reversal of 42110025 is 52001124.

It is not a de Polignac number, because 42110025 - 2³ = 42110017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 42109986 and 42110013.

It is not an unprimeable number, because it can be changed into a prime (42110027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7315 + ... + 11735.

It is an arithmetic number, because the mean of its divisors is an integer number (2924416).

Almost surely, 2^42110025 is an apocalyptic number.

It is an amenable number.

42110025 is a deficient number, since it is larger than the sum of its proper divisors (28075959).

42110025 is a wasteful number, since it uses less digits than its factorization.

42110025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42110025 is about 6489.2237594338. The cubic root of 42110025 is about 347.9059314380.

Adding to 42110025 its reverse (52001124), we get a palindrome (94111149).

The spelling of 42110025 in words is "forty-two million, one hundred ten thousand, twenty-five".