201315250225 has 12 divisors (see below), whose sum is σ = 249983021020. Its totient is φ = 160825032000.

The previous prime is 201315250223. The next prime is 201315250289. The reversal of 201315250225 is 522052513102.

It can be written as a sum of positive squares in 6 ways, for example, as 12170281761 + 189144968464 = 110319^2 + 434908^2 .

It is not a de Polignac number, because 201315250225 - 2¹ = 201315250223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201315250193 and 201315250202.

It is not an unprimeable number, because it can be changed into a prime (201315250223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5661126 + ... + 5696575.

Almost surely, 2^201315250225 is an apocalyptic number.

201315250225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201315250225 is a deficient number, since it is larger than the sum of its proper divisors (48667770795).

201315250225 is a wasteful number, since it uses less digits than its factorization.

201315250225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11358420 (or 11358415 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 201315250225 its reverse (522052513102), we get a palindrome (723367763327).

The spelling of 201315250225 in words is "two hundred one billion, three hundred fifteen million, two hundred fifty thousand, two hundred twenty-five".