80601961 has 4 divisors (see below), whose sum is σ = 87929424. Its totient is φ = 73274500.

The previous prime is 80601949. The next prime is 80602003. The reversal of 80601961 is 16910608.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80601961 - 2¹⁵ = 80569193 is a prime.

It is a super-2 number, since 2×80601961² = 12993352234091042, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (80601931) 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, 3663715 + ... + 3663736.

It is an arithmetic number, because the mean of its divisors is an integer number (21982356).

Almost surely, 2^80601961 is an apocalyptic number.

It is an amenable number.

80601961 is a deficient number, since it is larger than the sum of its proper divisors (7327463).

80601961 is a wasteful number, since it uses less digits than its factorization.

80601961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327462.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 80601961 is about 8977.8594887646. The cubic root of 80601961 is about 431.9649766560.

The spelling of 80601961 in words is "eighty million, six hundred one thousand, nine hundred sixty-one".