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250852531 is a prime number
BaseRepresentation
bin11101111001110…
…11010010110011
3122111000121222111
432330323102303
51003204240111
640520350151
76134132326
oct1674732263
9574017874
10250852531
11119666246
1270015357
133cc80767
142545c7bd
1517051a21
hexef3b4b3

250852531 has 2 divisors, whose sum is σ = 250852532. Its totient is φ = 250852530.

The previous prime is 250852529. The next prime is 250852543. The reversal of 250852531 is 135258052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250852531 - 21 = 250852529 is a prime.

It is a super-2 number, since 2×2508525312 = 125853984618211922, which contains 22 as substring.

Together with 250852529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 250852493 and 250852502.

It is not a weakly prime, because it can be changed into another prime (250852331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125426265 + 125426266.

It is an arithmetic number, because the mean of its divisors is an integer number (125426266).

Almost surely, 2250852531 is an apocalyptic number.

250852531 is a deficient number, since it is larger than the sum of its proper divisors (1).

250852531 is an equidigital number, since it uses as much as digits as its factorization.

250852531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 250852531 is about 15838.3247535843. The cubic root of 250852531 is about 630.6757936792.

The spelling of 250852531 in words is "two hundred fifty million, eight hundred fifty-two thousand, five hundred thirty-one".