245660201 has 2 divisors, whose sum is σ = 245660202. Its totient is φ = 245660200.

The previous prime is 245660159. The next prime is 245660209. The reversal of 245660201 is 102066542.

245660201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158256400 + 87403801 = 12580^2 + 9349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245660201 is a prime.

It is not a weakly prime, because it can be changed into another prime (245660209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122830100 + 122830101.

It is an arithmetic number, because the mean of its divisors is an integer number (122830101).

Almost surely, 2^245660201 is an apocalyptic number.

It is an amenable number.

245660201 is a deficient number, since it is larger than the sum of its proper divisors (1).

245660201 is an equidigital number, since it uses as much as digits as its factorization.

245660201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 245660201 is about 15673.5510016078. The cubic root of 245660201 is about 626.2940238081.

The spelling of 245660201 in words is "two hundred forty-five million, six hundred sixty thousand, two hundred one".