80500537 has 4 divisors (see below), whose sum is σ = 86692900. Its totient is φ = 74308176.

The previous prime is 80500523. The next prime is 80500571. The reversal of 80500537 is 73500508.

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 33454656 + 47045881 = 5784^2 + 6859^2 .

It is a cyclic number.

It is not a de Polignac number, because 80500537 - 2¹¹ = 80498489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80500517) 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, 3096162 + ... + 3096187.

It is an arithmetic number, because the mean of its divisors is an integer number (21673225).

Almost surely, 2^80500537 is an apocalyptic number.

It is an amenable number.

80500537 is a deficient number, since it is larger than the sum of its proper divisors (6192363).

80500537 is a wasteful number, since it uses less digits than its factorization.

80500537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192362.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 80500537 is about 8972.2091482533. The cubic root of 80500537 is about 431.7837155360.

The spelling of 80500537 in words is "eighty million, five hundred thousand, five hundred thirty-seven".