80275501 has 2 divisors, whose sum is σ = 80275502. Its totient is φ = 80275500.

The previous prime is 80275493. The next prime is 80275519. The reversal of 80275501 is 10557208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61999876 + 18275625 = 7874^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 80275501 - 2³ = 80275493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80275501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80275571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40137750 + 40137751.

It is an arithmetic number, because the mean of its divisors is an integer number (40137751).

Almost surely, 2^80275501 is an apocalyptic number.

It is an amenable number.

80275501 is a deficient number, since it is larger than the sum of its proper divisors (1).

80275501 is an equidigital number, since it uses as much as digits as its factorization.

80275501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 80275501 is about 8959.6596475536. The cubic root of 80275501 is about 431.3809953938.

The spelling of 80275501 in words is "eighty million, two hundred seventy-five thousand, five hundred one".