7404253 has 2 divisors, whose sum is σ = 7404254. Its totient is φ = 7404252.

The previous prime is 7404247. The next prime is 7404263. The reversal of 7404253 is 3524047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4153444 + 3250809 = 2038^2 + 1803^2 .

It is an emirp because it is prime and its reverse (3524047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7404253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7404203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702126 + 3702127.

It is an arithmetic number, because the mean of its divisors is an integer number (3702127).

Almost surely, 2^7404253 is an apocalyptic number.

It is an amenable number.

7404253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7404253 is an equidigital number, since it uses as much as digits as its factorization.

7404253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 7404253 is about 2721.0757064073. The cubic root of 7404253 is about 194.9068413225.

The spelling of 7404253 in words is "seven million, four hundred four thousand, two hundred fifty-three".