42532525 has 24 divisors (see below), whose sum is σ = 60531840. Its totient is φ = 29040960.

The previous prime is 42532513. The next prime is 42532561. The reversal of 42532525 is 52523524.

It is not a de Polignac number, because 42532525 - 2⁵ = 42532493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42532493 and 42532502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62487 + ... + 63163.

It is an arithmetic number, because the mean of its divisors is an integer number (2522160).

Almost surely, 2^42532525 is an apocalyptic number.

It is an amenable number.

42532525 is a deficient number, since it is larger than the sum of its proper divisors (17999315).

42532525 is a wasteful number, since it uses less digits than its factorization.

42532525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 42532525 is about 6521.6964817446. The cubic root of 42532525 is about 349.0656028924.

Subtracting 42532525 from its reverse (52523524), we obtain a palindrome (9990999).

The spelling of 42532525 in words is "forty-two million, five hundred thirty-two thousand, five hundred twenty-five".