5383781 has 12 divisors (see below), whose sum is σ = 6163332. Its totient is φ = 4674048.

The previous prime is 5383757. The next prime is 5383787. The reversal of 5383781 is 1873835.

It can be written as a sum of positive squares in 6 ways, for example, as 410881 + 4972900 = 641^2 + 2230^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5383781 is a prime.

It is a super-2 number, since 2×5383781² = 57970195711922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5383787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3041 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (513611).

Almost surely, 2^5383781 is an apocalyptic number.

It is an amenable number.

5383781 is a deficient number, since it is larger than the sum of its proper divisors (779551).

5383781 is a wasteful number, since it uses less digits than its factorization.

5383781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1463 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 5383781 is about 2320.2976102216. The cubic root of 5383781 is about 175.2652413174.

The spelling of 5383781 in words is "five million, three hundred eighty-three thousand, seven hundred eighty-one".