80525120 has 84 divisors (see below), whose sum is σ = 207774540. Its totient is φ = 29712384.

The previous prime is 80525117. The next prime is 80525131. The reversal of 80525120 is 2152508.

It can be written as a sum of positive squares in 6 ways, for example, as 26708224 + 53816896 = 5168^2 + 7336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53336 + ... + 54824.

Almost surely, 2^80525120 is an apocalyptic number.

80525120 is a gapful number since it is divisible by the number (80) 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 80525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103887270).

80525120 is an abundant number, since it is smaller than the sum of its proper divisors (127249420).

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

80525120 is a wasteful number, since it uses less digits than its factorization.

80525120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 80525120 is about 8973.5789961420. The cubic root of 80525120 is about 431.8276633123.

Adding to 80525120 its reverse (2152508), we get a palindrome (82677628).

The spelling of 80525120 in words is "eighty million, five hundred twenty-five thousand, one hundred twenty".