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245225089 is a prime number
BaseRepresentation
bin11101001110111…
…01011010000001
3122002102201120201
432213131122001
51000234200324
640200005201
76035243644
oct1647353201
9562381521
10245225089
1111647226a
126a160801
133ba60205
14247d5a5b
15167de444
hexe9dd681

245225089 has 2 divisors, whose sum is σ = 245225090. Its totient is φ = 245225088.

The previous prime is 245225083. The next prime is 245225107. The reversal of 245225089 is 980522542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155127025 + 90098064 = 12455^2 + 9492^2 .

It is a cyclic number.

It is not a de Polignac number, because 245225089 - 213 = 245216897 is a prime.

It is not a weakly prime, because it can be changed into another prime (245225083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122612544 + 122612545.

It is an arithmetic number, because the mean of its divisors is an integer number (122612545).

Almost surely, 2245225089 is an apocalyptic number.

It is an amenable number.

245225089 is a deficient number, since it is larger than the sum of its proper divisors (1).

245225089 is an equidigital number, since it uses as much as digits as its factorization.

245225089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 245225089 is about 15659.6643961485. The cubic root of 245225089 is about 625.9240424396.

The spelling of 245225089 in words is "two hundred forty-five million, two hundred twenty-five thousand, eighty-nine".