42132525 has 12 divisors (see below), whose sum is σ = 69659232. Its totient is φ = 22470640.

The previous prime is 42132491. The next prime is 42132547. The reversal of 42132525 is 52523124.

It is not a de Polignac number, because 42132525 - 2⁷ = 42132397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42132495 and 42132504.

It is a congruent number.

It is an unprimeable number.

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, 280809 + ... + 280958.

It is an arithmetic number, because the mean of its divisors is an integer number (5804936).

Almost surely, 2^42132525 is an apocalyptic number.

It is an amenable number.

42132525 is a deficient number, since it is larger than the sum of its proper divisors (27526707).

42132525 is a wasteful number, since it uses less digits than its factorization.

42132525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561780 (or 561775 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 42132525 is about 6490.9571713269. The cubic root of 42132525 is about 347.9678841415.

Adding to 42132525 its reverse (52523124), we get a palindrome (94655649).

The spelling of 42132525 in words is "forty-two million, one hundred thirty-two thousand, five hundred twenty-five".