252052447 has 2 divisors, whose sum is σ = 252052448. Its totient is φ = 252052446.

The previous prime is 252052397. The next prime is 252052477. The reversal of 252052447 is 744250252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252052447 - 2¹⁹ = 251528159 is a prime.

It is equal to p_13785421 and since 252052447 and 13785421 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252052477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126026223 + 126026224.

It is an arithmetic number, because the mean of its divisors is an integer number (126026224).

Almost surely, 2^252052447 is an apocalyptic number.

252052447 is a deficient number, since it is larger than the sum of its proper divisors (1).

252052447 is an equidigital number, since it uses as much as digits as its factorization.

252052447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 252052447 is about 15876.1597056719. The cubic root of 252052447 is about 631.6797760530.

The spelling of 252052447 in words is "two hundred fifty-two million, fifty-two thousand, four hundred forty-seven".