80581025 has 12 divisors (see below), whose sum is σ = 114195072. Its totient is φ = 55255440.

The previous prime is 80581021. The next prime is 80581043. The reversal of 80581025 is 52018508.

It is not a de Polignac number, because 80581025 - 2² = 80581021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80581021) 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, 230057 + ... + 230406.

It is an arithmetic number, because the mean of its divisors is an integer number (9516256).

Almost surely, 2^80581025 is an apocalyptic number.

It is an amenable number.

80581025 is a deficient number, since it is larger than the sum of its proper divisors (33614047).

80581025 is a wasteful number, since it uses less digits than its factorization.

80581025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460480 (or 460475 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 80581025 is about 8976.6934335534. The cubic root of 80581025 is about 431.9275730917.

The spelling of 80581025 in words is "eighty million, five hundred eighty-one thousand, twenty-five".