505610051 has 2 divisors, whose sum is σ = 505610052. Its totient is φ = 505610050.

The previous prime is 505610009. The next prime is 505610057. The reversal of 505610051 is 150016505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505610051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505609999 and 505610026.

It is not a weakly prime, because it can be changed into another prime (505610057) 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, 252805025 + 252805026.

It is an arithmetic number, because the mean of its divisors is an integer number (252805026).

Almost surely, 2^505610051 is an apocalyptic number.

505610051 is a deficient number, since it is larger than the sum of its proper divisors (1).

505610051 is an equidigital number, since it uses as much as digits as its factorization.

505610051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 505610051 is about 22485.7744140601. The cubic root of 505610051 is about 796.6579594605.

Adding to 505610051 its reverse (150016505), we get a palindrome (655626556).

The spelling of 505610051 in words is "five hundred five million, six hundred ten thousand, fifty-one".