201524525 has 12 divisors (see below), whose sum is σ = 250514100. Its totient is φ = 160817280.

The previous prime is 201524513. The next prime is 201524591. The reversal of 201524525 is 525425102.

It can be written as a sum of positive squares in 6 ways, for example, as 2319529 + 199204996 = 1523^2 + 14114^2 .

It is not a de Polignac number, because 201524525 - 2⁸ = 201524269 is a prime.

It is a super-2 number, since 2×201524525² = 81224268352951250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201524494 and 201524503.

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, 371 + ... + 20079.

It is an arithmetic number, because the mean of its divisors is an integer number (20876175).

Almost surely, 2^201524525 is an apocalyptic number.

201524525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201524525 is a deficient number, since it is larger than the sum of its proper divisors (48989575).

201524525 is a wasteful number, since it uses less digits than its factorization.

201524525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128 (or 20123 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 201524525 is about 14195.9333965752. The cubic root of 201524525 is about 586.2857007460.

Adding to 201524525 its reverse (525425102), we get a palindrome (726949627).

The spelling of 201524525 in words is "two hundred one million, five hundred twenty-four thousand, five hundred twenty-five".