5345991 has 12 divisors (see below), whose sum is σ = 8825232. Its totient is φ = 3054816.

The previous prime is 5345987. The next prime is 5345993. The reversal of 5345991 is 1995435.

It is not a de Polignac number, because 5345991 - 2² = 5345987 is a prime.

5345991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5345993) 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 11 ways as a sum of consecutive naturals, for example, 42366 + ... + 42491.

It is an arithmetic number, because the mean of its divisors is an integer number (735436).

Almost surely, 2^5345991 is an apocalyptic number.

5345991 is a deficient number, since it is larger than the sum of its proper divisors (3479241).

5345991 is a wasteful number, since it uses less digits than its factorization.

5345991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84870 (or 84867 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 5345991 is about 2312.1399179115. The cubic root of 5345991 is about 174.8542023750.

It can be divided in two parts, 5345 and 991, that added together give a palindrome (6336).

The spelling of 5345991 in words is "five million, three hundred forty-five thousand, nine hundred ninety-one".