4572981 has 24 divisors (see below), whose sum is σ = 7812480. Its totient is φ = 2522016.

The previous prime is 4572979. The next prime is 4572989. The reversal of 4572981 is 1892754.

4572981 is a `hidden beast` number, since 4 + 572 + 9 + 81 = 666.

It is not a de Polignac number, because 4572981 - 2¹ = 4572979 is a prime.

It is a super-2 number, since 2×4572981² = 41824310452722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576 + ... + 3078.

It is an arithmetic number, because the mean of its divisors is an integer number (325520).

Almost surely, 2^4572981 is an apocalyptic number.

It is an amenable number.

4572981 is a deficient number, since it is larger than the sum of its proper divisors (3239499).

4572981 is a wasteful number, since it uses less digits than its factorization.

4572981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2542 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4572981 is about 2138.4529454725. The cubic root of 4572981 is about 165.9840914740.

It can be divided in two parts, 4 and 572981, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 4572981 in words is "four million, five hundred seventy-two thousand, nine hundred eighty-one".