5597521 has 8 divisors (see below), whose sum is σ = 5705064. Its totient is φ = 5491200.

The previous prime is 5597503. The next prime is 5597549. The reversal of 5597521 is 1257955.

It can be written as a sum of positive squares in 4 ways, for example, as 1440000 + 4157521 = 1200^2 + 2039^2 .

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 5597521 - 2¹⁷ = 5466449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5597561) 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 7 ways as a sum of consecutive naturals, for example, 15681 + ... + 16033.

It is an arithmetic number, because the mean of its divisors is an integer number (713133).

Almost surely, 2^5597521 is an apocalyptic number.

It is an amenable number.

5597521 is a deficient number, since it is larger than the sum of its proper divisors (107543).

5597521 is a wasteful number, since it uses less digits than its factorization.

5597521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611.

The product of its digits is 15750, while the sum is 34.

The square root of 5597521 is about 2365.9080709106. The cubic root of 5597521 is about 177.5545927426.

The spelling of 5597521 in words is "five million, five hundred ninety-seven thousand, five hundred twenty-one".