252730147 has 2 divisors, whose sum is σ = 252730148. Its totient is φ = 252730146.

The previous prime is 252730133. The next prime is 252730169. The reversal of 252730147 is 741037252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252730147 - 2⁷ = 252730019 is a prime.

It is not a weakly prime, because it can be changed into another prime (252734147) 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, 126365073 + 126365074.

It is an arithmetic number, because the mean of its divisors is an integer number (126365074).

Almost surely, 2^252730147 is an apocalyptic number.

252730147 is a deficient number, since it is larger than the sum of its proper divisors (1).

252730147 is an equidigital number, since it uses as much as digits as its factorization.

252730147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 252730147 is about 15897.4887010496. The cubic root of 252730147 is about 632.2454073858.

Adding to 252730147 its reverse (741037252), we get a palindrome (993767399).

The spelling of 252730147 in words is "two hundred fifty-two million, seven hundred thirty thousand, one hundred forty-seven".