80551501 has 2 divisors, whose sum is σ = 80551502. Its totient is φ = 80551500.

The previous prime is 80551483. The next prime is 80551517. The reversal of 80551501 is 10515508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 90601 = 8970^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 80551501 - 2¹⁵ = 80518733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80551591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40275750 + 40275751.

It is an arithmetic number, because the mean of its divisors is an integer number (40275751).

Almost surely, 2^80551501 is an apocalyptic number.

It is an amenable number.

80551501 is a deficient number, since it is larger than the sum of its proper divisors (1).

80551501 is an equidigital number, since it uses as much as digits as its factorization.

80551501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 80551501 is about 8975.0488020957. The cubic root of 80551501 is about 431.8748154795.

The spelling of 80551501 in words is "eighty million, five hundred fifty-one thousand, five hundred one".