42501375 has 96 divisors (see below), whose sum is σ = 91765440. Its totient is φ = 19353600.

The previous prime is 42501367. The next prime is 42501409. The reversal of 42501375 is 57310524.

It is a happy number.

42501375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42501375 - 2³ = 42501367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165247 + ... + 165503.

It is an arithmetic number, because the mean of its divisors is an integer number (955890).

Almost surely, 2^42501375 is an apocalyptic number.

42501375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42501375 is an abundant number, since it is smaller than the sum of its proper divisors (49264065).

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

42501375 is a wasteful number, since it uses less digits than its factorization.

42501375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 42501375 is about 6519.3078620357. The cubic root of 42501375 is about 348.9803657780.

Adding to 42501375 its reverse (57310524), we get a palindrome (99811899).

It can be divided in two parts, 4250 and 1375, that added together give a square (5625 = 75²).

The spelling of 42501375 in words is "forty-two million, five hundred one thousand, three hundred seventy-five".