80192261 has 4 divisors (see below), whose sum is σ = 80245452. Its totient is φ = 80139072.

The previous prime is 80192239. The next prime is 80192263. The reversal of 80192261 is 16229108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15952036 + 64240225 = 3994^2 + 8015^2 .

It is a cyclic number.

It is not a de Polignac number, because 80192261 - 2⁶ = 80192197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80192263) 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, 24266 + ... + 27371.

It is an arithmetic number, because the mean of its divisors is an integer number (20061363).

Almost surely, 2^80192261 is an apocalyptic number.

It is an amenable number.

80192261 is a deficient number, since it is larger than the sum of its proper divisors (53191).

80192261 is a wasteful number, since it uses less digits than its factorization.

80192261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53190.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80192261 is about 8955.0131769864. The cubic root of 80192261 is about 431.2318399970.

The spelling of 80192261 in words is "eighty million, one hundred ninety-two thousand, two hundred sixty-one".