80909051 has 2 divisors, whose sum is σ = 80909052. Its totient is φ = 80909050.

The previous prime is 80909041. The next prime is 80909063. The reversal of 80909051 is 15090908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80909051 - 2¹⁴ = 80892667 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80908999 and 80909017.

It is not a weakly prime, because it can be changed into another prime (80909021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40454525 + 40454526.

It is an arithmetic number, because the mean of its divisors is an integer number (40454526).

Almost surely, 2^80909051 is an apocalyptic number.

80909051 is a deficient number, since it is larger than the sum of its proper divisors (1).

80909051 is an equidigital number, since it uses as much as digits as its factorization.

80909051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 80909051 is about 8994.9458586475. The cubic root of 80909051 is about 432.5128707453.

Adding to 80909051 its reverse (15090908), we get a palindrome (95999959).

The spelling of 80909051 in words is "eighty million, nine hundred nine thousand, fifty-one".