5671421 has 8 divisors (see below), whose sum is σ = 6863040. Its totient is φ = 4575168.

The previous prime is 5671417. The next prime is 5671427. The reversal of 5671421 is 1241765.

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 5671421 - 2² = 5671417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23711 + ... + 23948.

It is an arithmetic number, because the mean of its divisors is an integer number (857880).

Almost surely, 2^5671421 is an apocalyptic number.

It is an amenable number.

5671421 is a deficient number, since it is larger than the sum of its proper divisors (1191619).

5671421 is a wasteful number, since it uses less digits than its factorization.

5671421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47683.

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

The square root of 5671421 is about 2381.4745432190. The cubic root of 5671421 is about 178.3325538344.

The spelling of 5671421 in words is "five million, six hundred seventy-one thousand, four hundred twenty-one".