5231816 has 8 divisors (see below), whose sum is σ = 9809670. Its totient is φ = 2615904.

The previous prime is 5231797. The next prime is 5231827. The reversal of 5231816 is 6181325.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 1110916 = 2030^2 + 1054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326981 + ... + 326996.

Almost surely, 2^5231816 is an apocalyptic number.

It is an amenable number.

5231816 is a deficient number, since it is larger than the sum of its proper divisors (4577854).

5231816 is a wasteful number, since it uses less digits than its factorization.

5231816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653983 (or 653979 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 5231816 is about 2287.3163314242. The cubic root of 5231816 is about 173.6004395920.

The spelling of 5231816 in words is "five million, two hundred thirty-one thousand, eight hundred sixteen".