245750201 has 4 divisors (see below), whose sum is σ = 248004900. Its totient is φ = 243495504.

The previous prime is 245750177. The next prime is 245750213. The reversal of 245750201 is 102057542.

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 169624576 + 76125625 = 13024^2 + 8725^2 .

It is a cyclic number.

It is not a de Polignac number, because 245750201 - 2⁶ = 245750137 is a prime.

It is a super-2 number, since 2×245750201² = 120786322583080802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245750231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127186 + ... + 1127403.

It is an arithmetic number, because the mean of its divisors is an integer number (62001225).

Almost surely, 2^245750201 is an apocalyptic number.

It is an amenable number.

245750201 is a deficient number, since it is larger than the sum of its proper divisors (2254699).

245750201 is a wasteful number, since it uses less digits than its factorization.

245750201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254698.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 245750201 is about 15676.4218174939. The cubic root of 245750201 is about 626.3704974356.

The spelling of 245750201 in words is "two hundred forty-five million, seven hundred fifty thousand, two hundred one".