42132530 has 16 divisors (see below), whose sum is σ = 82733184. Its totient is φ = 15320880.

The previous prime is 42132491. The next prime is 42132547. The reversal of 42132530 is 3523124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191402 + ... + 191621.

It is an arithmetic number, because the mean of its divisors is an integer number (5170824).

Almost surely, 2^42132530 is an apocalyptic number.

42132530 is a deficient number, since it is larger than the sum of its proper divisors (40600654).

42132530 is a wasteful number, since it uses less digits than its factorization.

42132530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383041.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42132530 is about 6490.9575564781. The cubic root of 42132530 is about 347.9678979063.

Adding to 42132530 its reverse (3523124), we get a palindrome (45655654).

The spelling of 42132530 in words is "forty-two million, one hundred thirty-two thousand, five hundred thirty".