5321557 has 4 divisors (see below), whose sum is σ = 5334336. Its totient is φ = 5308780.

The previous prime is 5321507. The next prime is 5321593. The reversal of 5321557 is 7551235.

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 5321557 - 2¹⁹ = 4797269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321507) 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, 5743 + ... + 6604.

It is an arithmetic number, because the mean of its divisors is an integer number (1333584).

Almost surely, 2^5321557 is an apocalyptic number.

It is an amenable number.

5321557 is a deficient number, since it is larger than the sum of its proper divisors (12779).

5321557 is a wasteful number, since it uses less digits than its factorization.

5321557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778.

The product of its digits is 5250, while the sum is 28.

The square root of 5321557 is about 2306.8500167978. The cubic root of 5321557 is about 174.5874034983.

It can be divided in two parts, 532155 and 7, that multiplied together give a triangular number (3725085 = T₂₇₂₉).

The spelling of 5321557 in words is "five million, three hundred twenty-one thousand, five hundred fifty-seven".