7725017 has 2 divisors, whose sum is σ = 7725018. Its totient is φ = 7725016.

The previous prime is 7724999. The next prime is 7725023. The reversal of 7725017 is 7105277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6330256 + 1394761 = 2516^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725017 - 2²⁰ = 6676441 is a prime.

It is not a weakly prime, because it can be changed into another prime (7725317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3862508 + 3862509.

It is an arithmetic number, because the mean of its divisors is an integer number (3862509).

Almost surely, 2^7725017 is an apocalyptic number.

It is an amenable number.

7725017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7725017 is an equidigital number, since it uses as much as digits as its factorization.

7725017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 7725017 is about 2779.3914801625. The cubic root of 7725017 is about 197.6817064043.

The spelling of 7725017 in words is "seven million, seven hundred twenty-five thousand, seventeen".