5491013 has 4 divisors (see below), whose sum is σ = 5990208. Its totient is φ = 4991820.

The previous prime is 5491001. The next prime is 5491039. The reversal of 5491013 is 3101945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5491013 - 2¹⁰ = 5489989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5491013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491313) 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 3 ways as a sum of consecutive naturals, for example, 249581 + ... + 249602.

It is an arithmetic number, because the mean of its divisors is an integer number (1497552).

Almost surely, 2^5491013 is an apocalyptic number.

It is an amenable number.

5491013 is a deficient number, since it is larger than the sum of its proper divisors (499195).

5491013 is a wasteful number, since it uses less digits than its factorization.

5491013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499194.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 5491013 is about 2343.2910617335. The cubic root of 5491013 is about 176.4212211997.

Adding to 5491013 its reverse (3101945), we get a palindrome (8592958).

The spelling of 5491013 in words is "five million, four hundred ninety-one thousand, thirteen".