5491097 has 8 divisors (see below), whose sum is σ = 5589000. Its totient is φ = 5394304.

The previous prime is 5491091. The next prime is 5491117. The reversal of 5491097 is 7901945.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 5480281 = 104^2 + 2341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5491097 - 2⁴ = 5491081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5491091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20279 + ... + 20547.

It is an arithmetic number, because the mean of its divisors is an integer number (698625).

Almost surely, 2^5491097 is an apocalyptic number.

It is an amenable number.

5491097 is a deficient number, since it is larger than the sum of its proper divisors (97903).

5491097 is a wasteful number, since it uses less digits than its factorization.

5491097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 5491097 is about 2343.3089851746. The cubic root of 5491097 is about 176.4221208095.

It can be divided in two parts, 549 and 1097, that multiplied together give a triangular number (602253 = T₁₀₉₇).

The spelling of 5491097 in words is "five million, four hundred ninety-one thousand, ninety-seven".