80351365 has 4 divisors (see below), whose sum is σ = 96421644. Its totient is φ = 64281088.

The previous prime is 80351363. The next prime is 80351371. The reversal of 80351365 is 56315308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13667809 + 66683556 = 3697^2 + 8166^2 .

It is a cyclic number.

It is not a de Polignac number, because 80351365 - 2¹ = 80351363 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80351363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8035132 + ... + 8035141.

It is an arithmetic number, because the mean of its divisors is an integer number (24105411).

Almost surely, 2^80351365 is an apocalyptic number.

It is an amenable number.

80351365 is a deficient number, since it is larger than the sum of its proper divisors (16070279).

80351365 is a wasteful number, since it uses less digits than its factorization.

80351365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16070278.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 80351365 is about 8963.8922907407. The cubic root of 80351365 is about 431.5168441628.

The spelling of 80351365 in words is "eighty million, three hundred fifty-one thousand, three hundred sixty-five".