42251752 has 16 divisors (see below), whose sum is σ = 79309440. Its totient is φ = 21102576.

The previous prime is 42251701. The next prime is 42251767. The reversal of 42251752 is 25715224.

It is a self number, because there is not a number n which added to its sum of digits gives 42251752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633 + ... + 11335.

It is an arithmetic number, because the mean of its divisors is an integer number (4956840).

Almost surely, 2^42251752 is an apocalyptic number.

It is an amenable number.

42251752 is a deficient number, since it is larger than the sum of its proper divisors (37057688).

42251752 is a wasteful number, since it uses less digits than its factorization.

42251752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 5828 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 42251752 is about 6500.1347678337. The cubic root of 42251752 is about 348.2958025746.

Adding to 42251752 its reverse (25715224), we get a palindrome (67966976).

The spelling of 42251752 in words is "forty-two million, two hundred fifty-one thousand, seven hundred fifty-two".