7232581 has 2 divisors, whose sum is σ = 7232582. Its totient is φ = 7232580.

The previous prime is 7232573. The next prime is 7232623. The reversal of 7232581 is 1852327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 3272481 = 1990^2 + 1809^2 .

It is an emirp because it is prime and its reverse (1852327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7232581 - 2³ = 7232573 is a prime.

It is a super-2 number, since 2×7232581² = 104620455843122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7232551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616290 + 3616291.

It is an arithmetic number, because the mean of its divisors is an integer number (3616291).

Almost surely, 2^7232581 is an apocalyptic number.

It is an amenable number.

7232581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7232581 is an equidigital number, since it uses as much as digits as its factorization.

7232581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 7232581 is about 2689.3458312385. The cubic root of 7232581 is about 193.3887035883.

The spelling of 7232581 in words is "seven million, two hundred thirty-two thousand, five hundred eighty-one".