80948501 has 2 divisors, whose sum is σ = 80948502. Its totient is φ = 80948500.

The previous prime is 80948479. The next prime is 80948503. The reversal of 80948501 is 10584908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 828100 = 8951^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80948501 is a prime.

Together with 80948503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80948503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40474250 + 40474251.

It is an arithmetic number, because the mean of its divisors is an integer number (40474251).

Almost surely, 2^80948501 is an apocalyptic number.

It is an amenable number.

80948501 is a deficient number, since it is larger than the sum of its proper divisors (1).

80948501 is an equidigital number, since it uses as much as digits as its factorization.

80948501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 80948501 is about 8997.1384895421. The cubic root of 80948501 is about 432.5831548488.

The spelling of 80948501 in words is "eighty million, nine hundred forty-eight thousand, five hundred one".