80342501 has 4 divisors (see below), whose sum is σ = 80373132. Its totient is φ = 80311872.

The previous prime is 80342497. The next prime is 80342543. The reversal of 80342501 is 10524308.

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 12609601 + 67732900 = 3551^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 80342501 - 2² = 80342497 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 (80342401) 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, 10970 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (20093283).

Almost surely, 2^80342501 is an apocalyptic number.

It is an amenable number.

80342501 is a deficient number, since it is larger than the sum of its proper divisors (30631).

80342501 is a wasteful number, since it uses less digits than its factorization.

80342501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30630.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80342501 is about 8963.3978490302. The cubic root of 80342501 is about 431.5009759156.

Adding to 80342501 its reverse (10524308), we get a palindrome (90866809).

The spelling of 80342501 in words is "eighty million, three hundred forty-two thousand, five hundred one".