5403581 has 8 divisors (see below), whose sum is σ = 5721600. Its totient is φ = 5088960.

The previous prime is 5403577. The next prime is 5403583. The reversal of 5403581 is 1853045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5403581 - 2² = 5403577 is a prime.

It is a super-3 number, since 3×5403581³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5403581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (715200).

Almost surely, 2^5403581 is an apocalyptic number.

It is an amenable number.

5403581 is a deficient number, since it is larger than the sum of its proper divisors (318019).

5403581 is a wasteful number, since it uses less digits than its factorization.

5403581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5403581 is about 2324.5603885466. The cubic root of 5403581 is about 175.4798368623.

The spelling of 5403581 in words is "five million, four hundred three thousand, five hundred eighty-one".