1625152163 has 4 divisors (see below), whose sum is σ = 1625237640. Its totient is φ = 1625066688.

The previous prime is 1625152117. The next prime is 1625152169. The reversal of 1625152163 is 3612515261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1625152163 - 2²² = 1620957859 is a prime.

It is a super-2 number, since 2×1625152163² = 5282239105807157138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625152169) 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 3 ways as a sum of consecutive naturals, for example, 83 + ... + 57011.

It is an arithmetic number, because the mean of its divisors is an integer number (406309410).

Almost surely, 2^1625152163 is an apocalyptic number.

1625152163 is a deficient number, since it is larger than the sum of its proper divisors (85477).

1625152163 is an equidigital number, since it uses as much as digits as its factorization.

1625152163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85476.

The product of its digits is 10800, while the sum is 32.

The square root of 1625152163 is about 40313.1760470445. The cubic root of 1625152163 is about 1175.7040387294.

The spelling of 1625152163 in words is "one billion, six hundred twenty-five million, one hundred fifty-two thousand, one hundred sixty-three".