252522135 has 12 divisors (see below), whose sum is σ = 437705112. Its totient is φ = 134678448.

The previous prime is 252522121. The next prime is 252522139. The reversal of 252522135 is 531225252.

252522135 is a `hidden beast` number, since 2 + 5 + 2 + 522 + 135 = 666.

It is not a de Polignac number, because 252522135 - 2⁷ = 252522007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252522099 and 252522108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252522139) 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, 2805757 + ... + 2805846.

It is an arithmetic number, because the mean of its divisors is an integer number (36475426).

Almost surely, 2^252522135 is an apocalyptic number.

252522135 is a deficient number, since it is larger than the sum of its proper divisors (185182977).

252522135 is a wasteful number, since it uses less digits than its factorization.

252522135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611614 (or 5611611 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 252522135 is about 15890.9450631484. The cubic root of 252522135 is about 632.0719012025.

Adding to 252522135 its reverse (531225252), we get a palindrome (783747387).

The spelling of 252522135 in words is "two hundred fifty-two million, five hundred twenty-two thousand, one hundred thirty-five".