42851532 has 24 divisors (see below), whose sum is σ = 100590336. Its totient is φ = 14197648.

The previous prime is 42851527. The next prime is 42851537. The reversal of 42851532 is 23515824.

It is an interprime number because it is at equal distance from previous prime (42851527) and next prime (42851537).

It is a self number, because there is not a number n which added to its sum of digits gives 42851532.

It is not an unprimeable number, because it can be changed into a prime (42851537) 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, 8688 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^42851532 is an apocalyptic number.

It is an amenable number.

42851532 is an abundant number, since it is smaller than the sum of its proper divisors (57738804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42851532 is a wasteful number, since it uses less digits than its factorization.

42851532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557 (or 21555 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 42851532 is about 6546.1081567600. The cubic root of 42851532 is about 349.9361298419.

The spelling of 42851532 in words is "forty-two million, eight hundred fifty-one thousand, five hundred thirty-two".