5491801 has 4 divisors (see below), whose sum is σ = 6276352. Its totient is φ = 4707252.

The previous prime is 5491793. The next prime is 5491813. The reversal of 5491801 is 1081945.

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 5491801 - 2³ = 5491793 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 5491801.

It is not an unprimeable number, because it can be changed into a prime (5491841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392265 + ... + 392278.

It is an arithmetic number, because the mean of its divisors is an integer number (1569088).

Almost surely, 2^5491801 is an apocalyptic number.

It is an amenable number.

5491801 is a deficient number, since it is larger than the sum of its proper divisors (784551).

5491801 is an equidigital number, since it uses as much as digits as its factorization.

5491801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784550.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 5491801 is about 2343.4591952923. The cubic root of 5491801 is about 176.4296600356.

The spelling of 5491801 in words is "five million, four hundred ninety-one thousand, eight hundred one".