252813535 has 16 divisors (see below), whose sum is σ = 327075840. Its totient is φ = 186485760.

The previous prime is 252813499. The next prime is 252813541. The reversal of 252813535 is 535318252.

It is not a de Polignac number, because 252813535 - 2¹¹ = 252811487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252813535.

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, 81615 + ... + 84655.

It is an arithmetic number, because the mean of its divisors is an integer number (20442240).

Almost surely, 2^252813535 is an apocalyptic number.

252813535 is a deficient number, since it is larger than the sum of its proper divisors (74262305).

252813535 is a wasteful number, since it uses less digits than its factorization.

252813535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338.

The product of its digits is 36000, while the sum is 34.

The square root of 252813535 is about 15900.1111631334. Note that the first 4 decimals coincide. The cubic root of 252813535 is about 632.3149359366.

The spelling of 252813535 in words is "two hundred fifty-two million, eight hundred thirteen thousand, five hundred thirty-five".