191473 has 2 divisors, whose sum is σ = 191474. Its totient is φ = 191472.

The previous prime is 191467. The next prime is 191491. The reversal of 191473 is 374191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178929 + 12544 = 423^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 191473 - 2⁵ = 191441 is a prime.

It is not a weakly prime, because it can be changed into another prime (191413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95736 + 95737.

It is an arithmetic number, because the mean of its divisors is an integer number (95737).

2¹⁹¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

191473 is a deficient number, since it is larger than the sum of its proper divisors (1).

191473 is an equidigital number, since it uses as much as digits as its factorization.

191473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 191473 is about 437.5762790646. The cubic root of 191473 is about 57.6371521183.

The spelling of 191473 in words is "one hundred ninety-one thousand, four hundred seventy-three".