7261663 has 2 divisors, whose sum is σ = 7261664. Its totient is φ = 7261662.

The previous prime is 7261651. The next prime is 7261673. The reversal of 7261663 is 3661627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7261663 - 2¹³ = 7253471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7261613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3630831 + 3630832.

It is an arithmetic number, because the mean of its divisors is an integer number (3630832).

Almost surely, 2^7261663 is an apocalyptic number.

7261663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7261663 is an equidigital number, since it uses as much as digits as its factorization.

7261663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 7261663 is about 2694.7472979855. The cubic root of 7261663 is about 193.6475604158.

The spelling of 7261663 in words is "seven million, two hundred sixty-one thousand, six hundred sixty-three".