80261285 has 8 divisors (see below), whose sum is σ = 103722360. Its totient is φ = 59269824.

The previous prime is 80261213. The next prime is 80261287. The reversal of 80261285 is 58216208.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 78818884 = 1201^2 + 8878^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80261285 - 2¹⁰ = 80260261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80261287) 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, 617330 + ... + 617459.

It is an arithmetic number, because the mean of its divisors is an integer number (12965295).

Almost surely, 2^80261285 is an apocalyptic number.

It is an amenable number.

80261285 is a deficient number, since it is larger than the sum of its proper divisors (23461075).

80261285 is a wasteful number, since it uses less digits than its factorization.

80261285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234807.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 80261285 is about 8958.8662787208. The cubic root of 80261285 is about 431.3555294497.

The spelling of 80261285 in words is "eighty million, two hundred sixty-one thousand, two hundred eighty-five".