252633135 has 16 divisors (see below), whose sum is σ = 404436096. Its totient is φ = 134663328.

The previous prime is 252633133. The next prime is 252633137. The reversal of 252633135 is 531336252.

It is an interprime number because it is at equal distance from previous prime (252633133) and next prime (252633137).

It is not a de Polignac number, because 252633135 - 2¹ = 252633133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252633133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33592 + ... + 40418.

It is an arithmetic number, because the mean of its divisors is an integer number (25277256).

Almost surely, 2^252633135 is an apocalyptic number.

252633135 is a deficient number, since it is larger than the sum of its proper divisors (151802961).

252633135 is a wasteful number, since it uses less digits than its factorization.

252633135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302.

The product of its digits is 16200, while the sum is 30.

The square root of 252633135 is about 15894.4372344541. The cubic root of 252633135 is about 632.1644999544.

Adding to 252633135 its reverse (531336252), we get a palindrome (783969387).

The spelling of 252633135 in words is "two hundred fifty-two million, six hundred thirty-three thousand, one hundred thirty-five".