42317125 has 32 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 31504000.

The previous prime is 42317089. The next prime is 42317141. The reversal of 42317125 is 52171324.

It is a happy number.

It is not a de Polignac number, because 42317125 - 2¹³ = 42308933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 42317125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117696 + ... + 118054.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^42317125 is an apocalyptic number.

It is an amenable number.

42317125 is a deficient number, since it is larger than the sum of its proper divisors (14292155).

42317125 is a wasteful number, since it uses less digits than its factorization.

42317125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 428 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 42317125 is about 6505.1614122941. The cubic root of 42317125 is about 348.4753407595.

Adding to 42317125 its reverse (52171324), we get a palindrome (94488449).

The spelling of 42317125 in words is "forty-two million, three hundred seventeen thousand, one hundred twenty-five".