5146391 has 2 divisors, whose sum is σ = 5146392. Its totient is φ = 5146390.

The previous prime is 5146381. The next prime is 5146409. The reversal of 5146391 is 1936415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5146391 - 2¹⁸ = 4884247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5146301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573195 + 2573196.

It is an arithmetic number, because the mean of its divisors is an integer number (2573196).

Almost surely, 2^5146391 is an apocalyptic number.

5146391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5146391 is an equidigital number, since it uses as much as digits as its factorization.

5146391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 5146391 is about 2268.5658465207. The cubic root of 5146391 is about 172.6504016289.

The spelling of 5146391 in words is "five million, one hundred forty-six thousand, three hundred ninety-one".