7863125 has 20 divisors (see below), whose sum is σ = 10271712. Its totient is φ = 6006000.

The previous prime is 7863101. The next prime is 7863127. The reversal of 7863125 is 5213687.

It is a happy number.

It is not a de Polignac number, because 7863125 - 2¹⁶ = 7797589 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7863091 and 7863100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863127) 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 in 19 ways as a sum of consecutive naturals, for example, 14102 + ... + 14648.

Almost surely, 2^7863125 is an apocalyptic number.

It is an amenable number.

7863125 is a deficient number, since it is larger than the sum of its proper divisors (2408587).

7863125 is an equidigital number, since it uses as much as digits as its factorization.

7863125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 575 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 7863125 is about 2804.1264236835. The cubic root of 7863125 is about 198.8528073262.

The spelling of 7863125 in words is "seven million, eight hundred sixty-three thousand, one hundred twenty-five".