5620381 has 4 divisors (see below), whose sum is σ = 6052732. Its totient is φ = 5188032.

The previous prime is 5620369. The next prime is 5620397. The reversal of 5620381 is 1830265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1830265 = 5 ⋅366053.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 4687225 = 966^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 5620381 - 2¹⁵ = 5587613 is a prime.

It is a super-2 number, since 2×5620381² = 63177365170322, 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 (5620481) 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, 216156 + ... + 216181.

It is an arithmetic number, because the mean of its divisors is an integer number (1513183).

Almost surely, 2^5620381 is an apocalyptic number.

It is an amenable number.

5620381 is a deficient number, since it is larger than the sum of its proper divisors (432351).

5620381 is a wasteful number, since it uses less digits than its factorization.

5620381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432350.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5620381 is about 2370.7342744390. The cubic root of 5620381 is about 177.7959725157.

The spelling of 5620381 in words is "five million, six hundred twenty thousand, three hundred eighty-one".