505567151 has 2 divisors, whose sum is σ = 505567152. Its totient is φ = 505567150.

The previous prime is 505567103. The next prime is 505567217. The reversal of 505567151 is 151765505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505567151 - 2⁶ = 505567087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505563151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252783575 + 252783576.

It is an arithmetic number, because the mean of its divisors is an integer number (252783576).

Almost surely, 2^505567151 is an apocalyptic number.

505567151 is a deficient number, since it is larger than the sum of its proper divisors (1).

505567151 is an equidigital number, since it uses as much as digits as its factorization.

505567151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 505567151 is about 22484.8204573663. The cubic root of 505567151 is about 796.6354272125.

The spelling of 505567151 in words is "five hundred five million, five hundred sixty-seven thousand, one hundred fifty-one".