4521375 has 24 divisors (see below), whose sum is σ = 8152560. Its totient is φ = 2410800.

The previous prime is 4521367. The next prime is 4521379. The reversal of 4521375 is 5731254.

It is a happy number.

It is not a de Polignac number, because 4521375 - 2³ = 4521367 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 5⁶ + 2²² + 1 + 3¹¹ + 7⁶ + 5⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (339690).

Almost surely, 2^4521375 is an apocalyptic number.

4521375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4521375 is a deficient number, since it is larger than the sum of its proper divisors (3631185).

4521375 is a wasteful number, since it uses less digits than its factorization.

4521375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4027 counting only the distinct ones).

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

The square root of 4521375 is about 2126.3525107564. The cubic root of 4521375 is about 165.3573522199.

The spelling of 4521375 in words is "four million, five hundred twenty-one thousand, three hundred seventy-five".