252741072 has 20 divisors (see below), whose sum is σ = 652914560. Its totient is φ = 84247008.

The previous prime is 252741067. The next prime is 252741079. The reversal of 252741072 is 270147252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252741079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632672 + ... + 2632767.

It is an arithmetic number, because the mean of its divisors is an integer number (32645728).

Almost surely, 2^252741072 is an apocalyptic number.

It is an amenable number.

252741072 is an abundant number, since it is smaller than the sum of its proper divisors (400173488).

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

252741072 is a wasteful number, since it uses less digits than its factorization.

252741072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265450 (or 5265444 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 252741072 is about 15897.8323050660. The cubic root of 252741072 is about 632.2545174737.

The spelling of 252741072 in words is "two hundred fifty-two million, seven hundred forty-one thousand, seventy-two".