80581153 has 8 divisors (see below), whose sum is σ = 83052648. Its totient is φ = 78125184.

The previous prime is 80581129. The next prime is 80581187. The reversal of 80581153 is 35118508.

It can be written as a sum of positive squares in 4 ways, for example, as 27699169 + 52881984 = 5263^2 + 7272^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80581153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80587153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7125 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (10381581).

Almost surely, 2^80581153 is an apocalyptic number.

It is an amenable number.

80581153 is a deficient number, since it is larger than the sum of its proper divisors (2471495).

80581153 is a wasteful number, since it uses less digits than its factorization.

80581153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 80581153 is about 8976.7005631245. The cubic root of 80581153 is about 431.9278017920.

It can be divided in two parts, 805 and 81153, that multiplied together give a triangular number (65328165 = T₁₁₄₃₀).

The spelling of 80581153 in words is "eighty million, five hundred eighty-one thousand, one hundred fifty-three".