5421617 has 4 divisors (see below), whose sum is σ = 5428260. Its totient is φ = 5414976.

The previous prime is 5421607. The next prime is 5421641. The reversal of 5421617 is 7161245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3984016 + 1437601 = 1996^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421617 - 2¹² = 5417521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421607) 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, 1892 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (1357065).

Almost surely, 2^5421617 is an apocalyptic number.

It is an amenable number.

5421617 is a deficient number, since it is larger than the sum of its proper divisors (6643).

5421617 is an equidigital number, since it uses as much as digits as its factorization.

5421617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642.

The product of its digits is 1680, while the sum is 26.

The square root of 5421617 is about 2328.4365999529. The cubic root of 5421617 is about 175.6748581232.

The spelling of 5421617 in words is "five million, four hundred twenty-one thousand, six hundred seventeen".