5132391 has 32 divisors (see below), whose sum is σ = 8017920. Its totient is φ = 2889600.

The previous prime is 5132359. The next prime is 5132417. The reversal of 5132391 is 1932315.

It is a happy number.

It is not a de Polignac number, because 5132391 - 2⁵ = 5132359 is a prime.

5132391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29581 + ... + 29753.

It is an arithmetic number, because the mean of its divisors is an integer number (250560).

Almost surely, 2^5132391 is an apocalyptic number.

5132391 is a deficient number, since it is larger than the sum of its proper divisors (2885529).

5132391 is a wasteful number, since it uses less digits than its factorization.

5132391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 810, while the sum is 24.

The square root of 5132391 is about 2265.4780952373. The cubic root of 5132391 is about 172.4937027737.

The spelling of 5132391 in words is "five million, one hundred thirty-two thousand, three hundred ninety-one".