252210197 has 2 divisors, whose sum is σ = 252210198. Its totient is φ = 252210196.

The previous prime is 252210193. The next prime is 252210221. The reversal of 252210197 is 791012252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171767236 + 80442961 = 13106^2 + 8969^2 .

It is a cyclic number.

It is not a de Polignac number, because 252210197 - 2² = 252210193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252210193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126105098 + 126105099.

It is an arithmetic number, because the mean of its divisors is an integer number (126105099).

Almost surely, 2^252210197 is an apocalyptic number.

It is an amenable number.

252210197 is a deficient number, since it is larger than the sum of its proper divisors (1).

252210197 is an equidigital number, since it uses as much as digits as its factorization.

252210197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 252210197 is about 15881.1270695754. The cubic root of 252210197 is about 631.8115299857.

The spelling of 252210197 in words is "two hundred fifty-two million, two hundred ten thousand, one hundred ninety-seven".