252443215207 has 2 divisors, whose sum is σ = 252443215208. Its totient is φ = 252443215206.

The previous prime is 252443215201. The next prime is 252443215229. The reversal of 252443215207 is 702512344252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252443215207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252443215201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126221607603 + 126221607604.

It is an arithmetic number, because the mean of its divisors is an integer number (126221607604).

Almost surely, 2^252443215207 is an apocalyptic number.

252443215207 is a deficient number, since it is larger than the sum of its proper divisors (1).

252443215207 is an equidigital number, since it uses as much as digits as its factorization.

252443215207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 252443215207 its reverse (702512344252), we get a palindrome (954955559459).

The spelling of 252443215207 in words is "two hundred fifty-two billion, four hundred forty-three million, two hundred fifteen thousand, two hundred seven".