7240481 has 2 divisors, whose sum is σ = 7240482. Its totient is φ = 7240480.

The previous prime is 7240447. The next prime is 7240523. The reversal of 7240481 is 1840427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 58081 = 2680^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 7240481 - 2¹⁴ = 7224097 is a prime.

It is a super-2 number, since 2×7240481² = 104849130222722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7240481.

It is not a weakly prime, because it can be changed into another prime (7240411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620240 + 3620241.

It is an arithmetic number, because the mean of its divisors is an integer number (3620241).

Almost surely, 2^7240481 is an apocalyptic number.

It is an amenable number.

7240481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240481 is an equidigital number, since it uses as much as digits as its factorization.

7240481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 7240481 is about 2690.8141890513. The cubic root of 7240481 is about 193.4590894734.

The spelling of 7240481 in words is "seven million, two hundred forty thousand, four hundred eighty-one".