1625830163 has 2 divisors, whose sum is σ = 1625830164. Its totient is φ = 1625830162.

The previous prime is 1625830121. The next prime is 1625830181. The reversal of 1625830163 is 3610385261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1625830163 - 2⁶ = 1625830099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1625835163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812915081 + 812915082.

It is an arithmetic number, because the mean of its divisors is an integer number (812915082).

Almost surely, 2^1625830163 is an apocalyptic number.

1625830163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625830163 is an equidigital number, since it uses as much as digits as its factorization.

1625830163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1625830163 is about 40321.5843314719. The cubic root of 1625830163 is about 1175.8675139884.

The spelling of 1625830163 in words is "one billion, six hundred twenty-five million, eight hundred thirty thousand, one hundred sixty-three".