196506253 has 2 divisors, whose sum is σ = 196506254. Its totient is φ = 196506252.

The previous prime is 196506239. The next prime is 196506269. The reversal of 196506253 is 352605691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194128489 + 2377764 = 13933^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 196506253 - 2²⁵ = 162951821 is a prime.

It is a super-2 number, since 2×196506253² = 77229414936200018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196506353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98253126 + 98253127.

It is an arithmetic number, because the mean of its divisors is an integer number (98253127).

Almost surely, 2^196506253 is an apocalyptic number.

It is an amenable number.

196506253 is a deficient number, since it is larger than the sum of its proper divisors (1).

196506253 is an equidigital number, since it uses as much as digits as its factorization.

196506253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 196506253 is about 14018.0688042255. The cubic root of 196506253 is about 581.3782650146.

The spelling of 196506253 in words is "one hundred ninety-six million, five hundred six thousand, two hundred fifty-three".