505212007 has 2 divisors, whose sum is σ = 505212008. Its totient is φ = 505212006.

The previous prime is 505211983. The next prime is 505212011. The reversal of 505212007 is 700212505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505212007 - 2⁷ = 505211879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505212017) 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, 252606003 + 252606004.

It is an arithmetic number, because the mean of its divisors is an integer number (252606004).

Almost surely, 2^505212007 is an apocalyptic number.

505212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

505212007 is an equidigital number, since it uses as much as digits as its factorization.

505212007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 505212007 is about 22476.9216531090. The cubic root of 505212007 is about 796.4488469433.

The spelling of 505212007 in words is "five hundred five million, two hundred twelve thousand, seven".