4535381 has 4 divisors (see below), whose sum is σ = 4577100. Its totient is φ = 4493664.

The previous prime is 4535371. The next prime is 4535383. The reversal of 4535381 is 1835354.

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 3880900 + 654481 = 1970^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4535381 - 2¹⁰ = 4534357 is a prime.

It is a super-2 number, since 2×4535381² = 41139361630322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4535383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20696 + ... + 20913.

It is an arithmetic number, because the mean of its divisors is an integer number (1144275).

Almost surely, 2^4535381 is an apocalyptic number.

It is an amenable number.

4535381 is a deficient number, since it is larger than the sum of its proper divisors (41719).

4535381 is a wasteful number, since it uses less digits than its factorization.

4535381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41718.

The product of its digits is 7200, while the sum is 29.

The square root of 4535381 is about 2129.6433973790. The cubic root of 4535381 is about 165.5279203723.

The spelling of 4535381 in words is "four million, five hundred thirty-five thousand, three hundred eighty-one".