201340225 has 12 divisors (see below), whose sum is σ = 250641324. Its totient is φ = 160440320.

The previous prime is 201340219. The next prime is 201340241. The reversal of 201340225 is 522043102.

It can be written as a sum of positive squares in 6 ways, for example, as 41873841 + 159466384 = 6471^2 + 12628^2 .

It is a de Polignac number, because none of the positive numbers 2^k-201340225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9244 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (20886777).

Almost surely, 2^201340225 is an apocalyptic number.

201340225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201340225 is a deficient number, since it is larger than the sum of its proper divisors (49301099).

201340225 is a wasteful number, since it uses less digits than its factorization.

201340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31604 (or 31599 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 201340225 is about 14189.4406161765. The cubic root of 201340225 is about 586.1069211650.

Adding to 201340225 its reverse (522043102), we get a palindrome (723383327).

The spelling of 201340225 in words is "two hundred one million, three hundred forty thousand, two hundred twenty-five".