80525850 has 24 divisors (see below), whose sum is σ = 199704480. Its totient is φ = 21473520.

The previous prime is 80525827. The next prime is 80525873. The reversal of 80525850 is 5852508.

It is an interprime number because it is at equal distance from previous prime (80525827) and next prime (80525873).

It is a Curzon number.

It is an unprimeable number.

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, 268270 + ... + 268569.

It is an arithmetic number, because the mean of its divisors is an integer number (8321020).

Almost surely, 2^80525850 is an apocalyptic number.

80525850 is an abundant number, since it is smaller than the sum of its proper divisors (119178630).

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

80525850 is a wasteful number, since it uses less digits than its factorization.

80525850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536854 (or 536849 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 80525850 is about 8973.6196710135. The cubic root of 80525850 is about 431.8289682188.

The spelling of 80525850 in words is "eighty million, five hundred twenty-five thousand, eight hundred fifty".