80239025 has 6 divisors (see below), whose sum is σ = 99496422. Its totient is φ = 64191200.

The previous prime is 80239021. The next prime is 80239037. The reversal of 80239025 is 52093208.

It can be written as a sum of positive squares in 3 ways, for example, as 14807104 + 65431921 = 3848^2 + 8089^2 .

It is not a de Polignac number, because 80239025 - 2² = 80239021 is a prime.

It is a super-2 number, since 2×80239025² = 12876602265901250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80239021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604756 + ... + 1604805.

It is an arithmetic number, because the mean of its divisors is an integer number (16582737).

Almost surely, 2^80239025 is an apocalyptic number.

It is an amenable number.

80239025 is a deficient number, since it is larger than the sum of its proper divisors (19257397).

80239025 is a wasteful number, since it uses less digits than its factorization.

80239025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209571 (or 3209566 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 80239025 is about 8957.6238478739. The cubic root of 80239025 is about 431.3156477811.

The spelling of 80239025 in words is "eighty million, two hundred thirty-nine thousand, twenty-five".