2173852631 has 2 divisors, whose sum is σ = 2173852632. Its totient is φ = 2173852630.

The previous prime is 2173852627. The next prime is 2173852633. The reversal of 2173852631 is 1362583712.

2173852631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2173852631 - 2² = 2173852627 is a prime.

It is a super-2 number, since 2×2173852631² = 9451270522611244322, which contains 22 as substring.

Together with 2173852633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173852633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086926315 + 1086926316.

It is an arithmetic number, because the mean of its divisors is an integer number (1086926316).

Almost surely, 2^2173852631 is an apocalyptic number.

2173852631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173852631 is an equidigital number, since it uses as much as digits as its factorization.

2173852631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2173852631 is about 46624.5925558605. The cubic root of 2173852631 is about 1295.4183153897.

The spelling of 2173852631 in words is "two billion, one hundred seventy-three million, eight hundred fifty-two thousand, six hundred thirty-one".