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2897249 is a prime number
BaseRepresentation
bin1011000011010101100001
312110012021112
423003111201
51220202444
6142033105
733424535
oct13032541
95405245
102897249
1116a9823
12b78795
137a5964
14555bc5
153c369e
hex2c3561

2897249 has 2 divisors, whose sum is σ = 2897250. Its totient is φ = 2897248.

The previous prime is 2897227. The next prime is 2897263. The reversal of 2897249 is 9427982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 774400 = 1457^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897249 - 220 = 1848673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2897269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448624 + 1448625.

It is an arithmetic number, because the mean of its divisors is an integer number (1448625).

22897249 is an apocalyptic number.

It is an amenable number.

2897249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897249 is an equidigital number, since it uses as much as digits as its factorization.

2897249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 2897249 is about 1702.1307235345. The cubic root of 2897249 is about 142.5592079804.

The spelling of 2897249 in words is "two million, eight hundred ninety-seven thousand, two hundred forty-nine".