7232172481 has 2 divisors, whose sum is σ = 7232172482. Its totient is φ = 7232172480.

The previous prime is 7232172469. The next prime is 7232172523. The reversal of 7232172481 is 1842712327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7231801600 + 370881 = 85040^2 + 609^2 .

It is an emirp because it is prime and its reverse (1842712327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7232172481 - 2¹¹ = 7232170433 is a prime.

It is a super-2 number, since 2×7232172481² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7232172481.

It is not a weakly prime, because it can be changed into another prime (7232172461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616086240 + 3616086241.

It is an arithmetic number, because the mean of its divisors is an integer number (3616086241).

Almost surely, 2^7232172481 is an apocalyptic number.

It is an amenable number.

7232172481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7232172481 is an equidigital number, since it uses as much as digits as its factorization.

7232172481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 7232172481 is about 85042.1805988064. The cubic root of 7232172481 is about 1933.8506245166.

The spelling of 7232172481 in words is "seven billion, two hundred thirty-two million, one hundred seventy-two thousand, four hundred eighty-one".