80285537 has 2 divisors, whose sum is σ = 80285538. Its totient is φ = 80285536.

The previous prime is 80285533. The next prime is 80285539. The reversal of 80285537 is 73558208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 12453841 = 8236^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 80285537 - 2² = 80285533 is a prime.

Together with 80285539, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80285537.

It is not a weakly prime, because it can be changed into another prime (80285531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142768 + 40142769.

It is an arithmetic number, because the mean of its divisors is an integer number (40142769).

Almost surely, 2^80285537 is an apocalyptic number.

It is an amenable number.

80285537 is a deficient number, since it is larger than the sum of its proper divisors (1).

80285537 is an equidigital number, since it uses as much as digits as its factorization.

80285537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 80285537 is about 8960.2196959673. The cubic root of 80285537 is about 431.3989716515.

The spelling of 80285537 in words is "eighty million, two hundred eighty-five thousand, five hundred thirty-seven".