252452253997 has 2 divisors, whose sum is σ = 252452253998. Its totient is φ = 252452253996.

The previous prime is 252452253983. The next prime is 252452254027. The reversal of 252452253997 is 799352254252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173831458761 + 78620795236 = 416931^2 + 280394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252452253997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252452254997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126226126998 + 126226126999.

It is an arithmetic number, because the mean of its divisors is an integer number (126226126999).

Almost surely, 2^252452253997 is an apocalyptic number.

It is an amenable number.

252452253997 is a deficient number, since it is larger than the sum of its proper divisors (1).

252452253997 is an equidigital number, since it uses as much as digits as its factorization.

252452253997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 55.

The spelling of 252452253997 in words is "two hundred fifty-two billion, four hundred fifty-two million, two hundred fifty-three thousand, nine hundred ninety-seven".