4475381 has 4 divisors (see below), whose sum is σ = 4487052. Its totient is φ = 4463712.

The previous prime is 4475357. The next prime is 4475389. The reversal of 4475381 is 1835744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 2430481 = 1430^2 + 1559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4475381 is a prime.

It is a super-2 number, since 2×4475381² = 40058070190322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4475389) by changing a digit.

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, 5240 + ... + 6033.

It is an arithmetic number, because the mean of its divisors is an integer number (1121763).

Almost surely, 2^4475381 is an apocalyptic number.

It is an amenable number.

4475381 is a deficient number, since it is larger than the sum of its proper divisors (11671).

4475381 is a wasteful number, since it uses less digits than its factorization.

4475381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11670.

The product of its digits is 13440, while the sum is 32.

The square root of 4475381 is about 2115.5096312709. The cubic root of 4475381 is about 164.7947371030.

The spelling of 4475381 in words is "four million, four hundred seventy-five thousand, three hundred eighty-one".