80511025 has 12 divisors (see below), whose sum is σ = 114095872. Its totient is φ = 55207440.

The previous prime is 80511023. The next prime is 80511049. The reversal of 80511025 is 52011508.

It is not a de Polignac number, because 80511025 - 2¹ = 80511023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80510987 and 80511005.

It is not an unprimeable number, because it can be changed into a prime (80511023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229857 + ... + 230206.

Almost surely, 2^80511025 is an apocalyptic number.

It is an amenable number.

80511025 is a deficient number, since it is larger than the sum of its proper divisors (33584847).

80511025 is a wasteful number, since it uses less digits than its factorization.

80511025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460080 (or 460075 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 80511025 is about 8972.7936006575. The cubic root of 80511025 is about 431.8024663466.

The spelling of 80511025 in words is "eighty million, five hundred eleven thousand, twenty-five".