80485541 has 4 divisors (see below), whose sum is σ = 80503500. Its totient is φ = 80467584.

The previous prime is 80485523. The next prime is 80485543. The reversal of 80485541 is 14558408.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45616516 + 34869025 = 6754^2 + 5905^2 .

It is a cyclic number.

It is not a de Polignac number, because 80485541 - 2⁶ = 80485477 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 (80485543) 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, 3935 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (20125875).

Almost surely, 2^80485541 is an apocalyptic number.

It is an amenable number.

80485541 is a deficient number, since it is larger than the sum of its proper divisors (17959).

80485541 is an equidigital number, since it uses as much as digits as its factorization.

80485541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17958.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 80485541 is about 8971.3734177104. The cubic root of 80485541 is about 431.7569023372.

The spelling of 80485541 in words is "eighty million, four hundred eighty-five thousand, five hundred forty-one".