7481263 has 2 divisors, whose sum is σ = 7481264. Its totient is φ = 7481262.

The previous prime is 7481249. The next prime is 7481281. The reversal of 7481263 is 3621847.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7481263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7481203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740631 + 3740632.

It is an arithmetic number, because the mean of its divisors is an integer number (3740632).

Almost surely, 2^7481263 is an apocalyptic number.

7481263 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481263 is an equidigital number, since it uses as much as digits as its factorization.

7481263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 7481263 is about 2735.1897557574. The cubic root of 7481263 is about 195.5802397364.

It can be divided in two parts, 7481 and 263, that added together give a square (7744 = 88²).

The spelling of 7481263 in words is "seven million, four hundred eighty-one thousand, two hundred sixty-three".