201525234535 has 16 divisors (see below), whose sum is σ = 245773161792. Its totient is φ = 158601542400.

The previous prime is 201525234511. The next prime is 201525234541. The reversal of 201525234535 is 535432525102.

It is not a de Polignac number, because 201525234535 - 2¹¹ = 201525232487 is a prime.

It is a super-2 number, since 2×201525234535² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201525234494 and 201525234503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458856 + ... + 783325.

It is an arithmetic number, because the mean of its divisors is an integer number (15360822612).

Almost surely, 2^201525234535 is an apocalyptic number.

201525234535 is a deficient number, since it is larger than the sum of its proper divisors (44247927257).

201525234535 is a wasteful number, since it uses less digits than its factorization.

201525234535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242714.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 201525234535 its reverse (535432525102), we get a palindrome (736957759637).

The spelling of 201525234535 in words is "two hundred one billion, five hundred twenty-five million, two hundred thirty-four thousand, five hundred thirty-five".