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2251241207 is a prime number
BaseRepresentation
bin1000011000101111…
…0011011011110111
312210220002220100222
42012023303123313
514102304204312
61011215524555
7106534143305
oct20613633367
95726086328
102251241207
11a55848926
12529b2975b
1329b5329b7
14174db9275
15d298e672
hex862f36f7

2251241207 has 2 divisors, whose sum is σ = 2251241208. Its totient is φ = 2251241206.

The previous prime is 2251241147. The next prime is 2251241227. The reversal of 2251241207 is 7021421522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251241207 - 26 = 2251241143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251241227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125620603 + 1125620604.

It is an arithmetic number, because the mean of its divisors is an integer number (1125620604).

Almost surely, 22251241207 is an apocalyptic number.

2251241207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251241207 is an equidigital number, since it uses as much as digits as its factorization.

2251241207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2251241207 is about 47447.2465692162. The cubic root of 2251241207 is about 1310.6116070747.

Adding to 2251241207 its reverse (7021421522), we get a palindrome (9272662729).

The spelling of 2251241207 in words is "two billion, two hundred fifty-one million, two hundred forty-one thousand, two hundred seven".