2506135171 has 4 divisors (see below), whose sum is σ = 2573868592. Its totient is φ = 2438401752.

The previous prime is 2506135133. The next prime is 2506135199. The reversal of 2506135171 is 1715316052.

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 2506135171 - 2¹⁷ = 2506004099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506133171) 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 in 3 ways as a sum of consecutive naturals, for example, 33866655 + ... + 33866728.

It is an arithmetic number, because the mean of its divisors is an integer number (643467148).

Almost surely, 2^2506135171 is an apocalyptic number.

2506135171 is a deficient number, since it is larger than the sum of its proper divisors (67733421).

2506135171 is an equidigital number, since it uses as much as digits as its factorization.

2506135171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67733420.

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

The square root of 2506135171 is about 50061.3141157920. The cubic root of 2506135171 is about 1358.3181290916.

The spelling of 2506135171 in words is "two billion, five hundred six million, one hundred thirty-five thousand, one hundred seventy-one".