80510265 has 48 divisors (see below), whose sum is σ = 155990016. Its totient is φ = 38073600.

The previous prime is 80510263. The next prime is 80510267. The reversal of 80510265 is 56201508.

It is an interprime number because it is at equal distance from previous prime (80510263) and next prime (80510267).

It is not a de Polignac number, because 80510265 - 2¹ = 80510263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80510263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18312 + ... + 22278.

It is an arithmetic number, because the mean of its divisors is an integer number (3249792).

Almost surely, 2^80510265 is an apocalyptic number.

It is an amenable number.

80510265 is a deficient number, since it is larger than the sum of its proper divisors (75479751).

80510265 is a wasteful number, since it uses less digits than its factorization.

80510265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 80510265 is about 8972.7512503134. The cubic root of 80510265 is about 431.8011076469.

The spelling of 80510265 in words is "eighty million, five hundred ten thousand, two hundred sixty-five".