Search a number
-
+
2257049 is a prime number
BaseRepresentation
bin1000100111000010011001
311020200002102
420213002121
51034211144
6120213145
725120214
oct10470231
94220072
102257049
111301833
1290a1b5
13610442
1442a77b
152e8b4e
hex227099

2257049 has 2 divisors, whose sum is σ = 2257050. Its totient is φ = 2257048.

The previous prime is 2257007. The next prime is 2257051. The reversal of 2257049 is 9407522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 283024 = 1405^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257049 - 212 = 2252953 is a prime.

Together with 2257051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2257069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128524 + 1128525.

It is an arithmetic number, because the mean of its divisors is an integer number (1128525).

22257049 is an apocalyptic number.

It is an amenable number.

2257049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257049 is an equidigital number, since it uses as much as digits as its factorization.

2257049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2257049 is about 1502.3478292326. The cubic root of 2257049 is about 131.1737685821.

The spelling of 2257049 in words is "two million, two hundred fifty-seven thousand, forty-nine".