5491507 has 4 divisors (see below), whose sum is σ = 6276016. Its totient is φ = 4707000.

The previous prime is 5491501. The next prime is 5491511. The reversal of 5491507 is 7051945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5491507 - 2¹⁹ = 4967219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5491501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392244 + ... + 392257.

It is an arithmetic number, because the mean of its divisors is an integer number (1569004).

Almost surely, 2^5491507 is an apocalyptic number.

5491507 is a deficient number, since it is larger than the sum of its proper divisors (784509).

5491507 is an equidigital number, since it uses as much as digits as its factorization.

5491507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784508.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5491507 is about 2343.3964666697. The cubic root of 5491507 is about 176.4265116304.

The spelling of 5491507 in words is "five million, four hundred ninety-one thousand, five hundred seven".