201052317525 has 12 divisors (see below), whose sum is σ = 332406498432. Its totient is φ = 107227902640.

The previous prime is 201052317497. The next prime is 201052317533. The reversal of 201052317525 is 525713250102.

It is not a de Polignac number, because 201052317525 - 2⁸ = 201052317269 is a prime.

It is a congruent 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, 1340348709 + ... + 1340348858.

It is an arithmetic number, because the mean of its divisors is an integer number (27700541536).

Almost surely, 2^201052317525 is an apocalyptic number.

201052317525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201052317525 is a deficient number, since it is larger than the sum of its proper divisors (131354180907).

201052317525 is a wasteful number, since it uses less digits than its factorization.

201052317525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680697580 (or 2680697575 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

Adding to 201052317525 its reverse (525713250102), we get a palindrome (726765567627).

The spelling of 201052317525 in words is "two hundred one billion, fifty-two million, three hundred seventeen thousand, five hundred twenty-five".