80452520 has 32 divisors (see below), whose sum is σ = 181715400. Its totient is φ = 32057088.

The previous prime is 80452511. The next prime is 80452531. The reversal of 80452520 is 2525408.

It can be written as a sum of positive squares in 4 ways, for example, as 65966884 + 14485636 = 8122^2 + 3806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80452520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022 + ... + 14498.

Almost surely, 2^80452520 is an apocalyptic number.

It is an amenable number.

80452520 is an abundant number, since it is smaller than the sum of its proper divisors (101262880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80452520 is a wasteful number, since it uses less digits than its factorization.

80452520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757 (or 7753 counting only the distinct ones).

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

The square root of 80452520 is about 8969.5328752394. The cubic root of 80452520 is about 431.6978482732.

Adding to 80452520 its reverse (2525408), we get a palindrome (82977928).

The spelling of 80452520 in words is "eighty million, four hundred fifty-two thousand, five hundred twenty".