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2265271 is a prime number
BaseRepresentation
bin1000101001000010110111
311021002100221
420221002313
51034442041
6120315211
725153201
oct10510267
94232327
102265271
111307a28
12912b07
136140c8
1442d771
152eb2d1
hex2290b7

2265271 has 2 divisors, whose sum is σ = 2265272. Its totient is φ = 2265270.

The previous prime is 2265269. The next prime is 2265287. The reversal of 2265271 is 1725622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265271 - 21 = 2265269 is a prime.

Together with 2265269, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132635 + 1132636.

It is an arithmetic number, because the mean of its divisors is an integer number (1132636).

22265271 is an apocalyptic number.

2265271 is the 805-th centered heptagonal number.

2265271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265271 is an equidigital number, since it uses as much as digits as its factorization.

2265271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 2265271 is about 1505.0817253558. The cubic root of 2265271 is about 131.3328559223.

The spelling of 2265271 in words is "two million, two hundred sixty-five thousand, two hundred seventy-one".