Search a number
-
+
252562279 is a prime number
BaseRepresentation
bin11110000110111…
…00101101100111
3122121020111022111
433003130231213
51004123443104
641021141451
76154513114
oct1703345547
9577214274
10252562279
1111a623862
12706ba887
134042ba48
142578590b
151728d404
hexf0dcb67

252562279 has 2 divisors, whose sum is σ = 252562280. Its totient is φ = 252562278.

The previous prime is 252562267. The next prime is 252562327. The reversal of 252562279 is 972265252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252562279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252562249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126281139 + 126281140.

It is an arithmetic number, because the mean of its divisors is an integer number (126281140).

Almost surely, 2252562279 is an apocalyptic number.

252562279 is a deficient number, since it is larger than the sum of its proper divisors (1).

252562279 is an equidigital number, since it uses as much as digits as its factorization.

252562279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 252562279 is about 15892.2081222214. The cubic root of 252562279 is about 632.1053933819.

The spelling of 252562279 in words is "two hundred fifty-two million, five hundred sixty-two thousand, two hundred seventy-nine".