7243903 has 2 divisors, whose sum is σ = 7243904. Its totient is φ = 7243902.

The previous prime is 7243891. The next prime is 7243927. The reversal of 7243903 is 3093427.

7243903 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 a cyclic number.

It is not a de Polignac number, because 7243903 - 2⁵ = 7243871 is a prime.

It is an Ulam number.

7243903 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7243993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621951 + 3621952.

It is an arithmetic number, because the mean of its divisors is an integer number (3621952).

Almost surely, 2^7243903 is an apocalyptic number.

7243903 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243903 is an equidigital number, since it uses as much as digits as its factorization.

7243903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 7243903 is about 2691.4499809582. The cubic root of 7243903 is about 193.4895622526.

The spelling of 7243903 in words is "seven million, two hundred forty-three thousand, nine hundred three".