172483891 has 2 divisors, whose sum is σ = 172483892. Its totient is φ = 172483890.

The previous prime is 172483867. The next prime is 172483931. The reversal of 172483891 is 198384271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172483891 - 2⁵ = 172483859 is a prime.

It is not a weakly prime, because it can be changed into another prime (172483291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86241945 + 86241946.

It is an arithmetic number, because the mean of its divisors is an integer number (86241946).

Almost surely, 2^172483891 is an apocalyptic number.

172483891 is a deficient number, since it is larger than the sum of its proper divisors (1).

172483891 is an equidigital number, since it uses as much as digits as its factorization.

172483891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 172483891 is about 13133.3122630965. The cubic root of 172483891 is about 556.6508119755.

The spelling of 172483891 in words is "one hundred seventy-two million, four hundred eighty-three thousand, eight hundred ninety-one".