80513501 has 8 divisors (see below), whose sum is σ = 85968960. Its totient is φ = 75220992.

The previous prime is 80513497. The next prime is 80513509. The reversal of 80513501 is 10531508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80513501 - 2² = 80513497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80513509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39716 + ... + 41693.

It is an arithmetic number, because the mean of its divisors is an integer number (10746120).

Almost surely, 2^80513501 is an apocalyptic number.

It is an amenable number.

80513501 is a deficient number, since it is larger than the sum of its proper divisors (5455459).

80513501 is a wasteful number, since it uses less digits than its factorization.

80513501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81475.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 80513501 is about 8972.9315722343. The cubic root of 80513501 is about 431.8068927877.

The spelling of 80513501 in words is "eighty million, five hundred thirteen thousand, five hundred one".