80537133 has 4 divisors (see below), whose sum is σ = 107382848. Its totient is φ = 53691420.

The previous prime is 80537131. The next prime is 80537167. The reversal of 80537133 is 33173508.

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 80537133 - 2¹ = 80537131 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 80537133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80537131) 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, 13422853 + ... + 13422858.

It is an arithmetic number, because the mean of its divisors is an integer number (26845712).

Almost surely, 2^80537133 is an apocalyptic number.

It is an amenable number.

80537133 is a deficient number, since it is larger than the sum of its proper divisors (26845715).

80537133 is a wasteful number, since it uses less digits than its factorization.

80537133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26845714.

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

The square root of 80537133 is about 8974.2483250688. The cubic root of 80537133 is about 431.8491360643.

The spelling of 80537133 in words is "eighty million, five hundred thirty-seven thousand, one hundred thirty-three".