192302081 has 4 divisors (see below), whose sum is σ = 194206164. Its totient is φ = 190398000.

The previous prime is 192302039. The next prime is 192302087. The reversal of 192302081 is 180203291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180203291 = 101 ⋅1784191.

It can be written as a sum of positive squares in 2 ways, for example, as 181306225 + 10995856 = 13465^2 + 3316^2 .

It is a cyclic number.

It is not a de Polignac number, because 192302081 - 2¹⁴ = 192285697 is a prime.

It is a super-2 number, since 2×192302081² = 73960180713861122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192302081.

It is not an unprimeable number, because it can be changed into a prime (192302087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951890 + ... + 952091.

It is an arithmetic number, because the mean of its divisors is an integer number (48551541).

Almost surely, 2^192302081 is an apocalyptic number.

It is an amenable number.

192302081 is a deficient number, since it is larger than the sum of its proper divisors (1904083).

192302081 is a wasteful number, since it uses less digits than its factorization.

192302081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904082.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 192302081 is about 13867.3025855788. The cubic root of 192302081 is about 577.2022225002.

The spelling of 192302081 in words is "one hundred ninety-two million, three hundred two thousand, eighty-one".