6572981 has 4 divisors (see below), whose sum is σ = 6578592. Its totient is φ = 6567372.

The previous prime is 6572977. The next prime is 6572983. The reversal of 6572981 is 1892756.

6572981 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 6572981 - 2² = 6572977 is a prime.

It is a super-2 number, since 2×6572981² = 86408158452722, which contains 22 as substring.

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 (6572983) 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, 305 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (1644648).

Almost surely, 2^6572981 is an apocalyptic number.

It is an amenable number.

6572981 is a deficient number, since it is larger than the sum of its proper divisors (5611).

6572981 is a wasteful number, since it uses less digits than its factorization.

6572981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610.

The product of its digits is 30240, while the sum is 38.

The square root of 6572981 is about 2563.7825570824. The cubic root of 6572981 is about 187.3214276138.

The spelling of 6572981 in words is "six million, five hundred seventy-two thousand, nine hundred eighty-one".