7203481 has 2 divisors, whose sum is σ = 7203482. Its totient is φ = 7203480.

The previous prime is 7203479. The next prime is 7203491. The reversal of 7203481 is 1843027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 2755600 = 2109^2 + 1660^2 .

It is an emirp because it is prime and its reverse (1843027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7203481 - 2¹ = 7203479 is a prime.

It is a super-2 number, since 2×7203481² = 103780277034722, which contains 22 as substring.

Together with 7203479, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7203401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3601740 + 3601741.

It is an arithmetic number, because the mean of its divisors is an integer number (3601741).

Almost surely, 2^7203481 is an apocalyptic number.

It is an amenable number.

7203481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7203481 is an equidigital number, since it uses as much as digits as its factorization.

7203481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 7203481 is about 2683.9301406706. The cubic root of 7203481 is about 193.1289910606.

It can be divided in two parts, 7203 and 481, that multiplied together give a palindrome (3464643).

The spelling of 7203481 in words is "seven million, two hundred three thousand, four hundred eighty-one".