80641453 has 8 divisors (see below), whose sum is σ = 84980000. Its totient is φ = 76312368.

The previous prime is 80641441. The next prime is 80641459. The reversal of 80641453 is 35414608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80641453 - 2⁹ = 80640941 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 (80641459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21298 + ... + 24796.

It is an arithmetic number, because the mean of its divisors is an integer number (10622500).

Almost surely, 2^80641453 is an apocalyptic number.

It is an amenable number.

80641453 is a deficient number, since it is larger than the sum of its proper divisors (4338547).

80641453 is a wasteful number, since it uses less digits than its factorization.

80641453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80641453 is about 8980.0586300981. The cubic root of 80641453 is about 432.0355141271.

The spelling of 80641453 in words is "eighty million, six hundred forty-one thousand, four hundred fifty-three".