80520231 has 8 divisors (see below), whose sum is σ = 117120384. Its totient is φ = 48800120.

The previous prime is 80520229. The next prime is 80520257. The reversal of 80520231 is 13202508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80520231 - 2¹ = 80520229 is a prime.

It is a super-2 number, since 2×80520231² = 12967015200586722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80520198 and 80520207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80520221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219971 + ... + 1220036.

It is an arithmetic number, because the mean of its divisors is an integer number (14640048).

Almost surely, 2^80520231 is an apocalyptic number.

80520231 is a deficient number, since it is larger than the sum of its proper divisors (36600153).

80520231 is a wasteful number, since it uses less digits than its factorization.

80520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440021.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 80520231 is about 8973.3065811885. The cubic root of 80520231 is about 431.8189238110.

Adding to 80520231 its reverse (13202508), we get a palindrome (93722739).

The spelling of 80520231 in words is "eighty million, five hundred twenty thousand, two hundred thirty-one".