7243403 has 2 divisors, whose sum is σ = 7243404. Its totient is φ = 7243402.

The previous prime is 7243399. The next prime is 7243409. The reversal of 7243403 is 3043427.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3043427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7243403 - 2² = 7243399 is a prime.

It is equal to p₄₉₂₀₆₂ and since 7243403 and 492062 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7243409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621701 + 3621702.

It is an arithmetic number, because the mean of its divisors is an integer number (3621702).

Almost surely, 2^7243403 is an apocalyptic number.

7243403 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243403 is an equidigital number, since it uses as much as digits as its factorization.

7243403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 7243403 is about 2691.3570926207. The cubic root of 7243403 is about 193.4851103705.

The spelling of 7243403 in words is "seven million, two hundred forty-three thousand, four hundred three".