245775201 has 48 divisors (see below), whose sum is σ = 393329664. Its totient is φ = 133690176.

The previous prime is 245775199. The next prime is 245775209. The reversal of 245775201 is 102577542.

It is not a de Polignac number, because 245775201 - 2¹ = 245775199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245775209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2386116 + ... + 2386218.

It is an arithmetic number, because the mean of its divisors is an integer number (8194368).

Almost surely, 2^245775201 is an apocalyptic number.

245775201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245775201 is a deficient number, since it is larger than the sum of its proper divisors (147554463).

245775201 is a wasteful number, since it uses less digits than its factorization.

245775201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 245775201 is about 15677.2191730549. The cubic root of 245775201 is about 626.3917367962.

The spelling of 245775201 in words is "two hundred forty-five million, seven hundred seventy-five thousand, two hundred one".