252741066 has 64 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 78414336.

The previous prime is 252741053. The next prime is 252741067. The reversal of 252741066 is 660147252.

It is not an unprimeable number, because it can be changed into a prime (252741067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1057375 + ... + 1057613.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^252741066 is an apocalyptic number.

252741066 is an abundant number, since it is smaller than the sum of its proper divisors (289159734).

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

252741066 is a wasteful number, since it uses less digits than its factorization.

252741066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 252741066 is about 15897.8321163610. The cubic root of 252741066 is about 632.2545124705.

The spelling of 252741066 in words is "two hundred fifty-two million, seven hundred forty-one thousand, sixty-six".