Search a number
-
+
252524971 is a prime number
BaseRepresentation
bin11110000110100…
…11100110101011
3122121011121010201
433003103212223
51004121244341
641020253031
76154266256
oct1703234653
9577147121
10252524971
1111a5a8826
12706a1177
1340417a7a
142577609d
1517282331
hexf0d39ab

252524971 has 2 divisors, whose sum is σ = 252524972. Its totient is φ = 252524970.

The previous prime is 252524969. The next prime is 252524983. The reversal of 252524971 is 179425252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252524971 - 21 = 252524969 is a prime.

Together with 252524969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 252524971.

It is not a weakly prime, because it can be changed into another prime (252524911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126262485 + 126262486.

It is an arithmetic number, because the mean of its divisors is an integer number (126262486).

Almost surely, 2252524971 is an apocalyptic number.

252524971 is a deficient number, since it is larger than the sum of its proper divisors (1).

252524971 is an equidigital number, since it uses as much as digits as its factorization.

252524971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 252524971 is about 15891.0342961055. The cubic root of 252524971 is about 632.0742673967.

The spelling of 252524971 in words is "two hundred fifty-two million, five hundred twenty-four thousand, nine hundred seventy-one".