1000625163 has 4 divisors (see below), whose sum is σ = 1334166888. Its totient is φ = 667083440.

The previous prime is 1000625141. The next prime is 1000625167. The reversal of 1000625163 is 3615260001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000625163 - 2¹² = 1000621067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000625167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166770858 + ... + 166770863.

It is an arithmetic number, because the mean of its divisors is an integer number (333541722).

Almost surely, 2^1000625163 is an apocalyptic number.

1000625163 is a deficient number, since it is larger than the sum of its proper divisors (333541725).

1000625163 is an equidigital number, since it uses as much as digits as its factorization.

1000625163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333541724.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1000625163 is about 31632.6597522244. The cubic root of 1000625163 is about 1000.2083442563.

Adding to 1000625163 its reverse (3615260001), we get a palindrome (4615885164).

The spelling of 1000625163 in words is "one billion, six hundred twenty-five thousand, one hundred sixty-three".