5619921 has 4 divisors (see below), whose sum is σ = 7493232. Its totient is φ = 3746612.

The previous prime is 5619919. The next prime is 5619923. The reversal of 5619921 is 1299165.

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.

It is an interprime number because it is at equal distance from previous prime (5619919) and next prime (5619923).

It is a cyclic number.

It is not a de Polignac number, because 5619921 - 2¹ = 5619919 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5619923) 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, 936651 + ... + 936656.

It is an arithmetic number, because the mean of its divisors is an integer number (1873308).

Almost surely, 2^5619921 is an apocalyptic number.

It is an amenable number.

5619921 is a deficient number, since it is larger than the sum of its proper divisors (1873311).

5619921 is a wasteful number, since it uses less digits than its factorization.

5619921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873310.

The product of its digits is 4860, while the sum is 33.

The square root of 5619921 is about 2370.6372560980. The cubic root of 5619921 is about 177.7911218138.

The spelling of 5619921 in words is "five million, six hundred nineteen thousand, nine hundred twenty-one".