5720231 has 4 divisors (see below), whose sum is σ = 6240264. Its totient is φ = 5200200.

The previous prime is 5720203. The next prime is 5720233. The reversal of 5720231 is 1320275.

5720231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5720231 is a prime.

It is a super-2 number, since 2×5720231² = 65442085386722, 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 (5720233) 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, 260000 + ... + 260021.

It is an arithmetic number, because the mean of its divisors is an integer number (1560066).

Almost surely, 2^5720231 is an apocalyptic number.

5720231 is a deficient number, since it is larger than the sum of its proper divisors (520033).

5720231 is a wasteful number, since it uses less digits than its factorization.

5720231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520032.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5720231 is about 2391.7004411088. The cubic root of 5720231 is about 178.8426881677.

The spelling of 5720231 in words is "five million, seven hundred twenty thousand, two hundred thirty-one".