5133391 has 2 divisors, whose sum is σ = 5133392. Its totient is φ = 5133390.

The previous prime is 5133389. The next prime is 5133397. The reversal of 5133391 is 1933315.

5133391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5133391 - 2¹ = 5133389 is a prime.

Together with 5133389, it forms a pair of twin primes.

It is equal to p₃₅₇₁₂₇ and since 5133391 and 357127 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5133397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566695 + 2566696.

It is an arithmetic number, because the mean of its divisors is an integer number (2566696).

Almost surely, 2^5133391 is an apocalyptic number.

5133391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5133391 is an equidigital number, since it uses as much as digits as its factorization.

5133391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215, while the sum is 25.

The square root of 5133391 is about 2265.6987884536. The cubic root of 5133391 is about 172.5049049925.

The spelling of 5133391 in words is "five million, one hundred thirty-three thousand, three hundred ninety-one".