5972921 has 4 divisors (see below), whose sum is σ = 6118644. Its totient is φ = 5827200.

The previous prime is 5972917. The next prime is 5972957. The reversal of 5972921 is 1292795.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 5812921 = 400^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 5972921 - 2² = 5972917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5977921) 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 3 ways as a sum of consecutive naturals, for example, 72800 + ... + 72881.

It is an arithmetic number, because the mean of its divisors is an integer number (1529661).

Almost surely, 2^5972921 is an apocalyptic number.

It is an amenable number.

5972921 is a deficient number, since it is larger than the sum of its proper divisors (145723).

5972921 is a wasteful number, since it uses less digits than its factorization.

5972921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145722.

The product of its digits is 11340, while the sum is 35.

The square root of 5972921 is about 2443.9560143341. The cubic root of 5972921 is about 181.4382813978.

The spelling of 5972921 in words is "five million, nine hundred seventy-two thousand, nine hundred twenty-one".