252061042 has 4 divisors (see below), whose sum is σ = 378091566. Its totient is φ = 126030520.

The previous prime is 252061037. The next prime is 252061067. The reversal of 252061042 is 240160252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 248409121 + 3651921 = 15761^2 + 1911^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 63015259 + ... + 63015262.

Almost surely, 2^252061042 is an apocalyptic number.

252061042 is a deficient number, since it is larger than the sum of its proper divisors (126030524).

252061042 is a wasteful number, since it uses less digits than its factorization.

252061042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126030523.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 252061042 is about 15876.4303922513. The cubic root of 252061042 is about 631.6869560745.

The spelling of 252061042 in words is "two hundred fifty-two million, sixty-one thousand, forty-two".