7255723 has 2 divisors, whose sum is σ = 7255724. Its totient is φ = 7255722.

The previous prime is 7255711. The next prime is 7255727. The reversal of 7255723 is 3275527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7255723 - 2⁹ = 7255211 is a prime.

It is not a weakly prime, because it can be changed into another prime (7255727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627861 + 3627862.

It is an arithmetic number, because the mean of its divisors is an integer number (3627862).

Almost surely, 2^7255723 is an apocalyptic number.

7255723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255723 is an equidigital number, since it uses as much as digits as its factorization.

7255723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 31.

The square root of 7255723 is about 2693.6449283452. The cubic root of 7255723 is about 193.5947451360.

The spelling of 7255723 in words is "seven million, two hundred fifty-five thousand, seven hundred twenty-three".