5263191 has 8 divisors (see below), whose sum is σ = 7797360. Its totient is φ = 3508776.

The previous prime is 5263189. The next prime is 5263229. The reversal of 5263191 is 1913625.

It is not a de Polignac number, because 5263191 - 2¹ = 5263189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 194933 = 5263191 / (5 + 2 + 6 + 3 + 1 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263891) 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, 97440 + ... + 97493.

It is an arithmetic number, because the mean of its divisors is an integer number (974670).

Almost surely, 2^5263191 is an apocalyptic number.

5263191 is a deficient number, since it is larger than the sum of its proper divisors (2534169).

5263191 is a wasteful number, since it uses less digits than its factorization.

5263191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194942 (or 194936 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5263191 is about 2294.1645538191. The cubic root of 5263191 is about 173.9467732558.

The spelling of 5263191 in words is "five million, two hundred sixty-three thousand, one hundred ninety-one".