80587541 has 4 divisors (see below), whose sum is σ = 80885184. Its totient is φ = 80289900.

The previous prime is 80587537. The next prime is 80587543. The reversal of 80587541 is 14578508.

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 80587541 - 2² = 80587537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80587495 and 80587504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80587543) 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, 148415 + ... + 148956.

It is an arithmetic number, because the mean of its divisors is an integer number (20221296).

Almost surely, 2^80587541 is an apocalyptic number.

It is an amenable number.

80587541 is a deficient number, since it is larger than the sum of its proper divisors (297643).

80587541 is a wasteful number, since it uses less digits than its factorization.

80587541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297642.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 80587541 is about 8977.0563660924. The cubic root of 80587541 is about 431.9392150559.

The spelling of 80587541 in words is "eighty million, five hundred eighty-seven thousand, five hundred forty-one".