80603537 has 4 divisors (see below), whose sum is σ = 92118336. Its totient is φ = 69088740.

The previous prime is 80603533. The next prime is 80603587. The reversal of 80603537 is 73530608.

It is a happy number.

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 80603537 - 2² = 80603533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80603533) 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, 5757389 + ... + 5757402.

It is an arithmetic number, because the mean of its divisors is an integer number (23029584).

Almost surely, 2^80603537 is an apocalyptic number.

It is an amenable number.

80603537 is a deficient number, since it is larger than the sum of its proper divisors (11514799).

80603537 is a wasteful number, since it uses less digits than its factorization.

80603537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514798.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 80603537 is about 8977.9472598139. The cubic root of 80603537 is about 431.9677920232.

The spelling of 80603537 in words is "eighty million, six hundred three thousand, five hundred thirty-seven".