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252162257 is a prime number
BaseRepresentation
bin11110000011110…
…11000011010001
3122120111011120212
433001323003101
51004023143012
641004413505
76151225634
oct1701730321
9576434525
10252162257
1111a380266
1270547295
134031b949
14256bdc1b
151720eb22
hexf07b0d1

252162257 has 2 divisors, whose sum is σ = 252162258. Its totient is φ = 252162256.

The previous prime is 252162223. The next prime is 252162307. The reversal of 252162257 is 752261252.

252162257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193655056 + 58507201 = 13916^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 252162257 - 26 = 252162193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252162457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126081128 + 126081129.

It is an arithmetic number, because the mean of its divisors is an integer number (126081129).

Almost surely, 2252162257 is an apocalyptic number.

It is an amenable number.

252162257 is a deficient number, since it is larger than the sum of its proper divisors (1).

252162257 is an equidigital number, since it uses as much as digits as its factorization.

252162257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 252162257 is about 15879.6176591252. The cubic root of 252162257 is about 631.7714959659.

The spelling of 252162257 in words is "two hundred fifty-two million, one hundred sixty-two thousand, two hundred fifty-seven".