5371621 has 4 divisors (see below), whose sum is σ = 5376672. Its totient is φ = 5366572.

The previous prime is 5371571. The next prime is 5371631. The reversal of 5371621 is 1261735.

5371621 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 Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5371621 - 2⁹ = 5371109 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 (5371631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 2^5371621 is an apocalyptic number.

It is an amenable number.

5371621 is a deficient number, since it is larger than the sum of its proper divisors (5051).

5371621 is a wasteful number, since it uses less digits than its factorization.

5371621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050.

The product of its digits is 1260, while the sum is 25.

The square root of 5371621 is about 2317.6757754268. The cubic root of 5371621 is about 175.1331884036.

The spelling of 5371621 in words is "five million, three hundred seventy-one thousand, six hundred twenty-one".