2575172123 has 2 divisors, whose sum is σ = 2575172124. Its totient is φ = 2575172122.

The previous prime is 2575172107. The next prime is 2575172129. The reversal of 2575172123 is 3212715752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2575172123 - 2⁴ = 2575172107 is a prime.

It is a super-2 number, since 2×2575172123² = 13263022926152654258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2575172129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287586061 + 1287586062.

It is an arithmetic number, because the mean of its divisors is an integer number (1287586062).

Almost surely, 2^2575172123 is an apocalyptic number.

2575172123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575172123 is an equidigital number, since it uses as much as digits as its factorization.

2575172123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 2575172123 is about 50746.1537754341. The cubic root of 2575172123 is about 1370.6779323644.

Adding to 2575172123 its reverse (3212715752), we get a palindrome (5787887875).

The spelling of 2575172123 in words is "two billion, five hundred seventy-five million, one hundred seventy-two thousand, one hundred twenty-three".