252120203 has 2 divisors, whose sum is σ = 252120204. Its totient is φ = 252120202.

The previous prime is 252120163. The next prime is 252120233. The reversal of 252120203 is 302021252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252120203 - 2¹⁸ = 251858059 is a prime.

It is a super-2 number, since 2×252120203² = 127129193521522418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126060101 + 126060102.

It is an arithmetic number, because the mean of its divisors is an integer number (126060102).

Almost surely, 2^252120203 is an apocalyptic number.

252120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

252120203 is an equidigital number, since it uses as much as digits as its factorization.

252120203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252120203 is about 15878.2934536429. The cubic root of 252120203 is about 631.7363730839.

Adding to 252120203 its reverse (302021252), we get a palindrome (554141455).

The spelling of 252120203 in words is "two hundred fifty-two million, one hundred twenty thousand, two hundred three".