252729652 has 36 divisors (see below), whose sum is σ = 524214180. Its totient is φ = 106264704.

The previous prime is 252729643. The next prime is 252729703. The reversal of 252729652 is 256927252.

It can be written as a sum of positive squares in 2 ways, for example, as 193655056 + 59074596 = 13916^2 + 7686^2 .

It is a super-2 number, since 2×252729652² = 127744554000082208, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

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, 1777 + ... + 22552.

It is an arithmetic number, because the mean of its divisors is an integer number (14561505).

Almost surely, 2^252729652 is an apocalyptic number.

It is an amenable number.

252729652 is an abundant number, since it is smaller than the sum of its proper divisors (271484528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252729652 is a wasteful number, since it uses less digits than its factorization.

252729652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400 (or 24391 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 252729652 is about 15897.4731325453. The cubic root of 252729652 is about 632.2449946113.

The spelling of 252729652 in words is "two hundred fifty-two million, seven hundred twenty-nine thousand, six hundred fifty-two".