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252869 is a prime number
BaseRepresentation
bin111101101111000101
3110211212112
4331233011
531042434
65230405
72102141
oct755705
9424775
10252869
11162a91
12102405
138b136
1468221
154edce
hex3dbc5

252869 has 2 divisors, whose sum is σ = 252870. Its totient is φ = 252868.

The previous prime is 252829. The next prime is 252877. The reversal of 252869 is 968252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 12769 = 490^2 + 113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252869 is a prime.

It is a super-2 number, since 2×2528692 = 127885462322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252869.

It is not a weakly prime, because it can be changed into another prime (252829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126434 + 126435.

It is an arithmetic number, because the mean of its divisors is an integer number (126435).

2252869 is an apocalyptic number.

It is an amenable number.

252869 is a deficient number, since it is larger than the sum of its proper divisors (1).

252869 is an equidigital number, since it uses as much as digits as its factorization.

252869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 252869 is about 502.8608157333. The cubic root of 252869 is about 63.2361173946.

The spelling of 252869 in words is "two hundred fifty-two thousand, eight hundred sixty-nine".