252541442 has 8 divisors (see below), whose sum is σ = 381136656. Its totient is φ = 125495892.

The previous prime is 252541439. The next prime is 252541447. The reversal of 252541442 is 244145252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252541447) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 387008 + ... + 387659.

It is an arithmetic number, because the mean of its divisors is an integer number (47642082).

Almost surely, 2^252541442 is an apocalyptic number.

252541442 is a deficient number, since it is larger than the sum of its proper divisors (128595214).

252541442 is a wasteful number, since it uses less digits than its factorization.

252541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774832.

The product of its digits is 12800, while the sum is 29.

The square root of 252541442 is about 15891.5525358601. The cubic root of 252541442 is about 632.0880094949.

Adding to 252541442 its reverse (244145252), we get a palindrome (496686694).

The spelling of 252541442 in words is "two hundred fifty-two million, five hundred forty-one thousand, four hundred forty-two".