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2545271 is a prime number
BaseRepresentation
bin1001101101011001110111
311210022110022
421231121313
51122422041
6130315355
730430421
oct11553167
94708408
102545271
111489333
12a28b5b
136b16a1
144a3811
1535424b
hex26d677

2545271 has 2 divisors, whose sum is σ = 2545272. Its totient is φ = 2545270.

The previous prime is 2545261. The next prime is 2545307. The reversal of 2545271 is 1725452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545271 - 210 = 2544247 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p186146 and since 2545271 and 186146 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2545271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272635 + 1272636.

It is an arithmetic number, because the mean of its divisors is an integer number (1272636).

22545271 is an apocalyptic number.

2545271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545271 is an equidigital number, since it uses as much as digits as its factorization.

2545271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 2545271 is about 1595.3905477970. The cubic root of 2545271 is about 136.5352143399.

The spelling of 2545271 in words is "two million, five hundred forty-five thousand, two hundred seventy-one".