80542052 has 6 divisors (see below), whose sum is σ = 140948598. Its totient is φ = 40271024.

The previous prime is 80542051. The next prime is 80542109. The reversal of 80542052 is 25024508.

It can be written as a sum of positive squares in only one way, i.e., 54081316 + 26460736 = 7354^2 + 5144^2 .

It is not an unprimeable number, because it can be changed into a prime (80542051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067753 + ... + 10067760.

It is an arithmetic number, because the mean of its divisors is an integer number (23491433).

Almost surely, 2^80542052 is an apocalyptic number.

It is an amenable number.

80542052 is a deficient number, since it is larger than the sum of its proper divisors (60406546).

80542052 is a wasteful number, since it uses less digits than its factorization.

80542052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20135517 (or 20135515 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 80542052 is about 8974.5223828346. The cubic root of 80542052 is about 431.8579279618.

The spelling of 80542052 in words is "eighty million, five hundred forty-two thousand, fifty-two".