42182025 has 12 divisors (see below), whose sum is σ = 69741072. Its totient is φ = 22497040.

The previous prime is 42182009. The next prime is 42182027. The reversal of 42182025 is 52028124.

It is not a de Polignac number, because 42182025 - 2⁴ = 42182009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42181986 and 42182004.

It is not an unprimeable number, because it can be changed into a prime (42182027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281139 + ... + 281288.

It is an arithmetic number, because the mean of its divisors is an integer number (5811756).

Almost surely, 2^42182025 is an apocalyptic number.

It is an amenable number.

42182025 is a deficient number, since it is larger than the sum of its proper divisors (27559047).

42182025 is a wasteful number, since it uses less digits than its factorization.

42182025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562440 (or 562435 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 42182025 is about 6494.7690490117. The cubic root of 42182025 is about 348.1041024923.

The spelling of 42182025 in words is "forty-two million, one hundred eighty-two thousand, twenty-five".