80241961 has 4 divisors (see below), whose sum is σ = 82199124. Its totient is φ = 78284800.

The previous prime is 80241949. The next prime is 80241971. The reversal of 80241961 is 16914208.

It is a happy number.

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 25200400 + 55041561 = 5020^2 + 7419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80241961 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80241971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978520 + ... + 978601.

It is an arithmetic number, because the mean of its divisors is an integer number (20549781).

Almost surely, 2^80241961 is an apocalyptic number.

It is an amenable number.

80241961 is a deficient number, since it is larger than the sum of its proper divisors (1957163).

80241961 is a wasteful number, since it uses less digits than its factorization.

80241961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957162.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 80241961 is about 8957.7877291215. The cubic root of 80241961 is about 431.3209084270.

The spelling of 80241961 in words is "eighty million, two hundred forty-one thousand, nine hundred sixty-one".