80504951 has 2 divisors, whose sum is σ = 80504952. Its totient is φ = 80504950.

The previous prime is 80504939. The next prime is 80504953. The reversal of 80504951 is 15940508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80504951 - 2⁶ = 80504887 is a prime.

Together with 80504953, 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 (80504953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40252475 + 40252476.

It is an arithmetic number, because the mean of its divisors is an integer number (40252476).

Almost surely, 2^80504951 is an apocalyptic number.

80504951 is a deficient number, since it is larger than the sum of its proper divisors (1).

80504951 is an equidigital number, since it uses as much as digits as its factorization.

80504951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 80504951 is about 8972.4551266641. The cubic root of 80504951 is about 431.7916072369.

The spelling of 80504951 in words is "eighty million, five hundred four thousand, nine hundred fifty-one".