80245357 has 4 divisors (see below), whose sum is σ = 80648800. Its totient is φ = 79841916.

The previous prime is 80245327. The next prime is 80245381. The reversal of 80245357 is 75354208.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80245357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80245307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201423 + ... + 201820.

It is an arithmetic number, because the mean of its divisors is an integer number (20162200).

Almost surely, 2^80245357 is an apocalyptic number.

It is an amenable number.

80245357 is a deficient number, since it is larger than the sum of its proper divisors (403443).

80245357 is a wasteful number, since it uses less digits than its factorization.

80245357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403442.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 80245357 is about 8957.9772828468. The cubic root of 80245357 is about 431.3269931285.

The spelling of 80245357 in words is "eighty million, two hundred forty-five thousand, three hundred fifty-seven".