80492549 has 4 divisors (see below), whose sum is σ = 80724864. Its totient is φ = 80260236.

The previous prime is 80492509. The next prime is 80492593. The reversal of 80492549 is 94529408.

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 80492549 - 2¹⁶ = 80427013 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 (80492509) 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, 115637 + ... + 116330.

It is an arithmetic number, because the mean of its divisors is an integer number (20181216).

Almost surely, 2^80492549 is an apocalyptic number.

It is an amenable number.

80492549 is a deficient number, since it is larger than the sum of its proper divisors (232315).

80492549 is a wasteful number, since it uses less digits than its factorization.

80492549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232314.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 80492549 is about 8971.7639848583. The cubic root of 80492549 is about 431.7694332196.

The spelling of 80492549 in words is "eighty million, four hundred ninety-two thousand, five hundred forty-nine".