505070651 has 2 divisors, whose sum is σ = 505070652. Its totient is φ = 505070650.

The previous prime is 505070633. The next prime is 505070653. The reversal of 505070651 is 156070505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505070651 - 2¹⁴ = 505054267 is a prime.

It is a Sophie Germain prime.

Together with 505070653, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_26608520 and since 505070651 and 26608520 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (505070653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252535325 + 252535326.

It is an arithmetic number, because the mean of its divisors is an integer number (252535326).

Almost surely, 2^505070651 is an apocalyptic number.

505070651 is a deficient number, since it is larger than the sum of its proper divisors (1).

505070651 is an equidigital number, since it uses as much as digits as its factorization.

505070651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 505070651 is about 22473.7769633856. The cubic root of 505070651 is about 796.3745591042.

The spelling of 505070651 in words is "five hundred five million, seventy thousand, six hundred fifty-one".