80132501 has 4 divisors (see below), whose sum is σ = 80575404. Its totient is φ = 79689600.

The previous prime is 80132497. The next prime is 80132531. The reversal of 80132501 is 10523108.

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 1100401 + 79032100 = 1049^2 + 8890^2 .

It is a cyclic number.

It is not a de Polignac number, because 80132501 - 2² = 80132497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80132531) 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, 221180 + ... + 221541.

It is an arithmetic number, because the mean of its divisors is an integer number (20143851).

Almost surely, 2^80132501 is an apocalyptic number.

It is an amenable number.

80132501 is a deficient number, since it is larger than the sum of its proper divisors (442903).

80132501 is a wasteful number, since it uses less digits than its factorization.

80132501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442902.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 80132501 is about 8951.6758766166. The cubic root of 80132501 is about 431.1246940849.

Adding to 80132501 its reverse (10523108), we get a palindrome (90655609).

The spelling of 80132501 in words is "eighty million, one hundred thirty-two thousand, five hundred one".