80525061 has 12 divisors (see below), whose sum is σ = 119458092. Its totient is φ = 52232256.

The previous prime is 80525057. The next prime is 80525101. The reversal of 80525061 is 16052508.

80525061 is a `hidden beast` number, since 80 + 525 + 0 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56700900 + 23824161 = 7530^2 + 4881^2 .

It is not a de Polignac number, because 80525061 - 2² = 80525057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80525051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120576 + ... + 121241.

It is an arithmetic number, because the mean of its divisors is an integer number (9954841).

Almost surely, 2^80525061 is an apocalyptic number.

It is an amenable number.

80525061 is a deficient number, since it is larger than the sum of its proper divisors (38933031).

80525061 is a wasteful number, since it uses less digits than its factorization.

80525061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241860 (or 241857 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 80525061 is about 8973.5757087128. The cubic root of 80525061 is about 431.8275578470.

Adding to 80525061 its reverse (16052508), we get a palindrome (96577569).

The spelling of 80525061 in words is "eighty million, five hundred twenty-five thousand, sixty-one".