80515151 has 2 divisors, whose sum is σ = 80515152. Its totient is φ = 80515150.

The previous prime is 80515133. The next prime is 80515159. The reversal of 80515151 is 15151508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80515151 - 2⁶ = 80515087 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80515151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80515159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40257575 + 40257576.

It is an arithmetic number, because the mean of its divisors is an integer number (40257576).

Almost surely, 2^80515151 is an apocalyptic number.

80515151 is a deficient number, since it is larger than the sum of its proper divisors (1).

80515151 is an equidigital number, since it uses as much as digits as its factorization.

80515151 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 26.

The square root of 80515151 is about 8973.0235149586. The cubic root of 80515151 is about 431.8098425063.

Adding to 80515151 its reverse (15151508), we get a palindrome (95666659).

The spelling of 80515151 in words is "eighty million, five hundred fifteen thousand, one hundred fifty-one".