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245101201 is a prime number
BaseRepresentation
bin11101001101111…
…11001010010001
3122002012102122021
432212333022101
51000221214301
640153211441
76034216522
oct1646771221
9562172567
10245101201
11116398184
126a100b81
133ba189c7
14247a2849
15167b78a1
hexe9bf291

245101201 has 2 divisors, whose sum is σ = 245101202. Its totient is φ = 245101200.

The previous prime is 245101183. The next prime is 245101217. The reversal of 245101201 is 102101542.

It is an a-pointer prime, because the next prime (245101217) can be obtained adding 245101201 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125417601 + 119683600 = 11199^2 + 10940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-245101201 is a prime.

It is not a weakly prime, because it can be changed into another prime (245101001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122550600 + 122550601.

It is an arithmetic number, because the mean of its divisors is an integer number (122550601).

Almost surely, 2245101201 is an apocalyptic number.

It is an amenable number.

245101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

245101201 is an equidigital number, since it uses as much as digits as its factorization.

245101201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 245101201 is about 15655.7082560962. The cubic root of 245101201 is about 625.8186188330.

Adding to 245101201 its reverse (102101542), we get a palindrome (347202743).

The spelling of 245101201 in words is "two hundred forty-five million, one hundred one thousand, two hundred one".