7249663 has 2 divisors, whose sum is σ = 7249664. Its totient is φ = 7249662.

The previous prime is 7249657. The next prime is 7249709. The reversal of 7249663 is 3669427.

7249663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3669427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7249663 - 2⁵ = 7249631 is a prime.

It is a super-2 number, since 2×7249663² = 105115227227138, which contains 22 as substring.

7249663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7249603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3624831 + 3624832.

It is an arithmetic number, because the mean of its divisors is an integer number (3624832).

Almost surely, 2^7249663 is an apocalyptic number.

7249663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7249663 is an equidigital number, since it uses as much as digits as its factorization.

7249663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 7249663 is about 2692.5198235111. The cubic root of 7249663 is about 193.5408331678.

The spelling of 7249663 in words is "seven million, two hundred forty-nine thousand, six hundred sixty-three".