245108201 has 4 divisors (see below), whose sum is σ = 263962692. Its totient is φ = 226253712.

The previous prime is 245108179. The next prime is 245108221. The reversal of 245108201 is 102801542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160909225 + 84198976 = 12685^2 + 9176^2 .

It is a cyclic number.

It is not a de Polignac number, because 245108201 - 2⁶ = 245108137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245108221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9427226 + ... + 9427251.

It is an arithmetic number, because the mean of its divisors is an integer number (65990673).

Almost surely, 2^245108201 is an apocalyptic number.

It is an amenable number.

245108201 is a deficient number, since it is larger than the sum of its proper divisors (18854491).

245108201 is a wasteful number, since it uses less digits than its factorization.

245108201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18854490.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 245108201 is about 15655.9318151300. The cubic root of 245108201 is about 625.8245764927.

Adding to 245108201 its reverse (102801542), we get a palindrome (347909743).

The spelling of 245108201 in words is "two hundred forty-five million, one hundred eight thousand, two hundred one".