2152177313 has 24 divisors (see below), whose sum is σ = 2577313440. Its totient is φ = 1781170560.

The previous prime is 2152177309. The next prime is 2152177333. The reversal of 2152177313 is 3137712512.

It is not a de Polignac number, because 2152177313 - 2² = 2152177309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2152177313.

It is not an unprimeable number, because it can be changed into a prime (2152177303) 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 23 ways as a sum of consecutive naturals, for example, 127778 + ... + 143636.

It is an arithmetic number, because the mean of its divisors is an integer number (107388060).

Almost surely, 2^2152177313 is an apocalyptic number.

It is an amenable number.

2152177313 is a deficient number, since it is larger than the sum of its proper divisors (425136127).

2152177313 is a wasteful number, since it uses less digits than its factorization.

2152177313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969 (or 15956 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 2152177313 is about 46391.5651061699. The cubic root of 2152177313 is about 1291.0984200502.

Adding to 2152177313 its reverse (3137712512), we get a palindrome (5289889825).

The spelling of 2152177313 in words is "two billion, one hundred fifty-two million, one hundred seventy-seven thousand, three hundred thirteen".