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252169 is a prime number
BaseRepresentation
bin111101100100001001
3110210220121
4331210021
531032134
65223241
72100121
oct754411
9423817
10252169
11162505
12101b21
138aa18
1467c81
154eab4
hex3d909

252169 has 2 divisors, whose sum is σ = 252170. Its totient is φ = 252168.

The previous prime is 252163. The next prime is 252173. The reversal of 252169 is 961252.

252169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149769 + 102400 = 387^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252169 is a prime.

It is a super-2 number, since 2×2521692 = 127178409122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (252163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126084 + 126085.

It is an arithmetic number, because the mean of its divisors is an integer number (126085).

2252169 is an apocalyptic number.

It is an amenable number.

252169 is a deficient number, since it is larger than the sum of its proper divisors (1).

252169 is an equidigital number, since it uses as much as digits as its factorization.

252169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 252169 is about 502.1643157374. The cubic root of 252169 is about 63.1777127257.

The spelling of 252169 in words is "two hundred fifty-two thousand, one hundred sixty-nine".