252549652 has 6 divisors (see below), whose sum is σ = 441961898. Its totient is φ = 126274824.

The previous prime is 252549629. The next prime is 252549667. The reversal of 252549652 is 256945252.

It can be written as a sum of positive squares in only one way, i.e., 238517136 + 14032516 = 15444^2 + 3746^2 .

It is a super-2 number, since 2×252549652² = 127562653450642208, 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31568703 + ... + 31568710.

Almost surely, 2^252549652 is an apocalyptic number.

It is an amenable number.

252549652 is a deficient number, since it is larger than the sum of its proper divisors (189412246).

252549652 is a wasteful number, since it uses less digits than its factorization.

252549652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63137417 (or 63137415 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 252549652 is about 15891.8108470998. The cubic root of 252549652 is about 632.0948590458.

The spelling of 252549652 in words is "two hundred fifty-two million, five hundred forty-nine thousand, six hundred fifty-two".