2125162317 has 4 divisors (see below), whose sum is σ = 2833549760. Its totient is φ = 1416774876.

The previous prime is 2125162309. The next prime is 2125162393. The reversal of 2125162317 is 7132615212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2125162317 - 2³ = 2125162309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125162397) 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, 354193717 + ... + 354193722.

It is an arithmetic number, because the mean of its divisors is an integer number (708387440).

Almost surely, 2^2125162317 is an apocalyptic number.

It is an amenable number.

2125162317 is a deficient number, since it is larger than the sum of its proper divisors (708387443).

2125162317 is an equidigital number, since it uses as much as digits as its factorization.

2125162317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708387442.

The product of its digits is 5040, while the sum is 30.

The square root of 2125162317 is about 46099.4828279017. The cubic root of 2125162317 is about 1285.6735288262.

Adding to 2125162317 its reverse (7132615212), we get a palindrome (9257777529).

The spelling of 2125162317 in words is "two billion, one hundred twenty-five million, one hundred sixty-two thousand, three hundred seventeen".