5470921 has 3 divisors (see below), whose sum is σ = 5473261.
Its totient is φ = 5468582.
The previous prime is 5470909. The next prime is 5470943. The reversal of 5470921 is 1290745.
It is a happy number.
The square root of 5470921 is 2339.
It is a perfect power (a square), and thus also a powerful number.
5470921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 5470921 - 27 = 5470793 is a prime.
It is an alternating number because its digits alternate between odd and even.
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 5470921.
It is not an unprimeable number, because it can be changed into a prime (5470951) by changing a digit.
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 2 ways as a sum of consecutive naturals, for example, 1170 + ... + 3508.
Almost surely, 25470921 is an apocalyptic number.
5470921 is the 2339-th square number.
5470921 is the 1170-th centered octagonal number.
It is an amenable number.
5470921 is a deficient number, since it is larger than the sum of its proper divisors (2340).
5470921 is an frugal number, since it uses more digits than its factorization.
5470921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4678 (or 2339 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 28.
The cubic root of 5470921 is about 176.2057790238.
The spelling of 5470921 in words is "five million, four hundred seventy thousand, nine hundred twenty-one".