80701249 has 4 divisors (see below), whose sum is σ = 80732160. Its totient is φ = 80670340.

The previous prime is 80701217. The next prime is 80701253. The reversal of 80701249 is 94210708.

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 not a de Polignac number, because 80701249 - 2⁵ = 80701217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80701249.

It is not an unprimeable number, because it can be changed into a prime (80701289) 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, 11137 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (20183040).

Almost surely, 2^80701249 is an apocalyptic number.

It is an amenable number.

80701249 is a deficient number, since it is larger than the sum of its proper divisors (30911).

80701249 is a wasteful number, since it uses less digits than its factorization.

80701249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30910.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 80701249 is about 8983.3873900662. The cubic root of 80701249 is about 432.1422731695.

The spelling of 80701249 in words is "eighty million, seven hundred one thousand, two hundred forty-nine".