2505161173 has 8 divisors (see below), whose sum is σ = 2614809600. Its totient is φ = 2395573488.

The previous prime is 2505161171. The next prime is 2505161189. The reversal of 2505161173 is 3711615052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505161173 - 2¹ = 2505161171 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 (2505161171) 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 7 ways as a sum of consecutive naturals, for example, 82563 + ... + 108751.

It is an arithmetic number, because the mean of its divisors is an integer number (326851200).

Almost surely, 2^2505161173 is an apocalyptic number.

2505161173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2505161173 is a deficient number, since it is larger than the sum of its proper divisors (109648427).

2505161173 is a wasteful number, since it uses less digits than its factorization.

2505161173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30371.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 2505161173 is about 50051.5851197542. The cubic root of 2505161173 is about 1358.1421382424.

The spelling of 2505161173 in words is "two billion, five hundred five million, one hundred sixty-one thousand, one hundred seventy-three".