80942541 has 4 divisors (see below), whose sum is σ = 107923392. Its totient is φ = 53961692.

The previous prime is 80942539. The next prime is 80942549. The reversal of 80942541 is 14524908.

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 80942541 - 2¹ = 80942539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80942549) 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, 13490421 + ... + 13490426.

It is an arithmetic number, because the mean of its divisors is an integer number (26980848).

Almost surely, 2^80942541 is an apocalyptic number.

It is an amenable number.

80942541 is a deficient number, since it is larger than the sum of its proper divisors (26980851).

80942541 is a wasteful number, since it uses less digits than its factorization.

80942541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26980850.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 80942541 is about 8996.8072670253. The cubic root of 80942541 is about 432.5725379799.

The spelling of 80942541 in words is "eighty million, nine hundred forty-two thousand, five hundred forty-one".