201245205 has 24 divisors (see below), whose sum is σ = 374563872. Its totient is φ = 91997472.

The previous prime is 201245189. The next prime is 201245243. The reversal of 201245205 is 502542102.

It is a happy number.

It is not a de Polignac number, because 201245205 - 2⁴ = 201245189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136167 + ... + 137636.

It is an arithmetic number, because the mean of its divisors is an integer number (15606828).

Almost surely, 2^201245205 is an apocalyptic number.

It is an amenable number.

201245205 is a deficient number, since it is larger than the sum of its proper divisors (173318667).

201245205 is a wasteful number, since it uses less digits than its factorization.

201245205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273825 (or 273818 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 201245205 is about 14186.0919565608. The cubic root of 201245205 is about 586.0147047140.

Adding to 201245205 its reverse (502542102), we get a palindrome (703787307).

The spelling of 201245205 in words is "two hundred one million, two hundred forty-five thousand, two hundred five".