201532105310225 has 6 divisors (see below), whose sum is σ = 249899810584710. Its totient is φ = 161225684248160.

The previous prime is 201532105310213. The next prime is 201532105310231. The reversal of 201532105310225 is 522013501235102.

It can be written as a sum of positive squares in 3 ways, for example, as 55035166007761 + 146496939302464 = 7418569^2 + 12103592^2 .

It is not a de Polignac number, because 201532105310225 - 2²² = 201532101115921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201532105310191 and 201532105310200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4030642106180 + ... + 4030642106229.

It is an arithmetic number, because the mean of its divisors is an integer number (41649968430785).

Almost surely, 2^{201532105310225} is an apocalyptic number.

201532105310225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201532105310225 is a deficient number, since it is larger than the sum of its proper divisors (48367705274485).

201532105310225 is an equidigital number, since it uses as much as digits as its factorization.

201532105310225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061284212419 (or 8061284212414 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 201532105310225 its reverse (522013501235102), we get a palindrome (723545606545327).

The spelling of 201532105310225 in words is "two hundred one trillion, five hundred thirty-two billion, one hundred five million, three hundred ten thousand, two hundred twenty-five".