42518325 has 12 divisors (see below), whose sum is σ = 70297088. Its totient is φ = 22676400.

The previous prime is 42518317. The next prime is 42518347. The reversal of 42518325 is 52381524.

It is not a de Polignac number, because 42518325 - 2³ = 42518317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42518292 and 42518301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283381 + ... + 283530.

Almost surely, 2^42518325 is an apocalyptic number.

It is an amenable number.

42518325 is a deficient number, since it is larger than the sum of its proper divisors (27778763).

42518325 is a wasteful number, since it uses less digits than its factorization.

42518325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566924 (or 566919 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 42518325 is about 6520.6077170767. The cubic root of 42518325 is about 349.0267519716.

Adding to 42518325 its reverse (52381524), we get a palindrome (94899849).

The spelling of 42518325 in words is "forty-two million, five hundred eighteen thousand, three hundred twenty-five".