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2251297 is a prime number
BaseRepresentation
bin1000100101101000100001
311020101012101
420211220201
51034020142
6120130401
725064356
oct10455041
94211171
102251297
1112a8484
12906a01
1360a939
1442862d
152e70b7
hex225a21

2251297 has 2 divisors, whose sum is σ = 2251298. Its totient is φ = 2251296.

The previous prime is 2251279. The next prime is 2251331. The reversal of 2251297 is 7921522.

Together with previous prime (2251279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 772641 = 1216^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251297 - 27 = 2251169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125648 + 1125649.

It is an arithmetic number, because the mean of its divisors is an integer number (1125649).

22251297 is an apocalyptic number.

It is an amenable number.

2251297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251297 is an equidigital number, since it uses as much as digits as its factorization.

2251297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 2251297 is about 1500.4322710472. The cubic root of 2251297 is about 131.0622434043.

The spelling of 2251297 in words is "two million, two hundred fifty-one thousand, two hundred ninety-seven".