80513733 has 4 divisors (see below), whose sum is σ = 107351648. Its totient is φ = 53675820.

The previous prime is 80513677. The next prime is 80513747. The reversal of 80513733 is 33731508.

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 not a de Polignac number, because 80513733 - 2⁶ = 80513669 is a prime.

It is a super-2 number, since 2×80513733² = 12964922403190578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80513733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80513753) 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, 13418953 + ... + 13418958.

It is an arithmetic number, because the mean of its divisors is an integer number (26837912).

Almost surely, 2^80513733 is an apocalyptic number.

It is an amenable number.

80513733 is a deficient number, since it is larger than the sum of its proper divisors (26837915).

80513733 is a wasteful number, since it uses less digits than its factorization.

80513733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26837914.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 80513733 is about 8972.9444999955. The cubic root of 80513733 is about 431.8073075385.

The spelling of 80513733 in words is "eighty million, five hundred thirteen thousand, seven hundred thirty-three".