7825903 has 2 divisors, whose sum is σ = 7825904. Its totient is φ = 7825902.

The previous prime is 7825889. The next prime is 7825921. The reversal of 7825903 is 3095287.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7825903 is a prime.

It is a super-2 number, since 2×7825903² = 122489515530818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7825943) 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, 3912951 + 3912952.

It is an arithmetic number, because the mean of its divisors is an integer number (3912952).

Almost surely, 2^7825903 is an apocalyptic number.

7825903 is a deficient number, since it is larger than the sum of its proper divisors (1).

7825903 is an equidigital number, since it uses as much as digits as its factorization.

7825903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 7825903 is about 2797.4815459624. The cubic root of 7825903 is about 198.5385383280.

The spelling of 7825903 in words is "seven million, eight hundred twenty-five thousand, nine hundred three".