2171932253 has 2 divisors, whose sum is σ = 2171932254. Its totient is φ = 2171932252.

The previous prime is 2171932229. The next prime is 2171932271. The reversal of 2171932253 is 3522391712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129094404 + 1042837849 = 33602^2 + 32293^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171932253 - 2¹⁶ = 2171866717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171932453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085966126 + 1085966127.

It is an arithmetic number, because the mean of its divisors is an integer number (1085966127).

Almost surely, 2^2171932253 is an apocalyptic number.

It is an amenable number.

2171932253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171932253 is an equidigital number, since it uses as much as digits as its factorization.

2171932253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 2171932253 is about 46603.9939597456. The cubic root of 2171932253 is about 1295.0367461734.

The spelling of 2171932253 in words is "two billion, one hundred seventy-one million, nine hundred thirty-two thousand, two hundred fifty-three".