42500132 has 24 divisors (see below), whose sum is σ = 77156352. Its totient is φ = 20462400.

The previous prime is 42500123. The next prime is 42500137. The reversal of 42500132 is 23100524.

It is a super-2 number, since 2×42500132² = 3612522440034848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42500132.

It is not an unprimeable number, because it can be changed into a prime (42500137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28157 + ... + 29627.

It is an arithmetic number, because the mean of its divisors is an integer number (3214848).

Almost surely, 2^42500132 is an apocalyptic number.

It is an amenable number.

42500132 is a deficient number, since it is larger than the sum of its proper divisors (34656220).

42500132 is a wasteful number, since it uses less digits than its factorization.

42500132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42500132 is about 6519.2125291326. The cubic root of 42500132 is about 348.9769636385.

Adding to 42500132 its reverse (23100524), we get a palindrome (65600656).

The spelling of 42500132 in words is "forty-two million, five hundred thousand, one hundred thirty-two".