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2575231 is a prime number
BaseRepresentation
bin1001110100101101111111
311211211112221
421310231333
51124401411
6131110211
730613651
oct11645577
94754487
102575231
1114a989a
12a42367
136c2209
144b06d1
1535d071
hex274b7f

2575231 has 2 divisors, whose sum is σ = 2575232. Its totient is φ = 2575230.

The previous prime is 2575219. The next prime is 2575247. The reversal of 2575231 is 1325752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2575231 - 217 = 2444159 is a prime.

It is a super-2 number, since 2×25752312 = 13263629406722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 57 + 7 + 59 + 219 + 39 + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 2575196 and 2575205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287615 + 1287616.

It is an arithmetic number, because the mean of its divisors is an integer number (1287616).

22575231 is an apocalyptic number.

2575231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575231 is an equidigital number, since it uses as much as digits as its factorization.

2575231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 25.

The square root of 2575231 is about 1604.7526289120. The cubic root of 2575231 is about 137.0688378370.

The spelling of 2575231 in words is "two million, five hundred seventy-five thousand, two hundred thirty-one".