80525424 has 160 divisors (see below), whose sum is σ = 249587200. Its totient is φ = 22353408.

The previous prime is 80525387. The next prime is 80525441. The reversal of 80525424 is 42452508.

It is a junction number, because it is equal to n+sod(n) for n = 80525391 and 80525400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1103052 + ... + 1103124.

It is an arithmetic number, because the mean of its divisors is an integer number (1559920).

Almost surely, 2^80525424 is an apocalyptic number.

80525424 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80525424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124793600).

80525424 is an abundant number, since it is smaller than the sum of its proper divisors (169061776).

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

80525424 is a wasteful number, since it uses less digits than its factorization.

80525424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 80525424 is about 8973.5959347410. The cubic root of 80525424 is about 431.8282067264.

The spelling of 80525424 in words is "eighty million, five hundred twenty-five thousand, four hundred twenty-four".