5421245 has 8 divisors (see below), whose sum is σ = 6518016. Its totient is φ = 4328656.

The previous prime is 5421209. The next prime is 5421263.

It is a happy number.

5421245 is nontrivially palindromic in base 10.

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 5421245 - 2¹⁶ = 5355709 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 5421245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (814752).

Almost surely, 2^5421245 is an apocalyptic number.

It is an amenable number.

5421245 is a deficient number, since it is larger than the sum of its proper divisors (1096771).

5421245 is a wasteful number, since it uses less digits than its factorization.

5421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its digits is 1600, while the sum is 23.

The square root of 5421245 is about 2328.3567166566. The cubic root of 5421245 is about 175.6708401004.

The spelling of 5421245 in words is "five million, four hundred twenty-one thousand, two hundred forty-five".