42887252 has 12 divisors (see below), whose sum is σ = 75100116. Its totient is φ = 21430080.

The previous prime is 42887197. The next prime is 42887263. The reversal of 42887252 is 25278824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 41550916 = 1156^2 + 6446^2 .

It is a super-2 number, since 2×42887252² = 3678632768223008, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7958 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (6258343).

Almost surely, 2^42887252 is an apocalyptic number.

It is an amenable number.

42887252 is a deficient number, since it is larger than the sum of its proper divisors (32212864).

42887252 is a wasteful number, since it uses less digits than its factorization.

42887252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778 (or 6776 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 42887252 is about 6548.8359270942. The cubic root of 42887252 is about 350.0333356004.

The spelling of 42887252 in words is "forty-two million, eight hundred eighty-seven thousand, two hundred fifty-two".