2172525422971 has 2 divisors, whose sum is σ = 2172525422972. Its totient is φ = 2172525422970.

The previous prime is 2172525422939. The next prime is 2172525423041. The reversal of 2172525422971 is 1792245252712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2172525422971 - 2⁵ = 2172525422939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2172525422671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086262711485 + 1086262711486.

It is an arithmetic number, because the mean of its divisors is an integer number (1086262711486).

Almost surely, 2^{2172525422971} is an apocalyptic number.

2172525422971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172525422971 is an equidigital number, since it uses as much as digits as its factorization.

2172525422971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The spelling of 2172525422971 in words is "two trillion, one hundred seventy-two billion, five hundred twenty-five million, four hundred twenty-two thousand, nine hundred seventy-one".