252505142 has 8 divisors (see below), whose sum is σ = 387995832. Its totient is φ = 123173200.

The previous prime is 252505139. The next prime is 252505147. The reversal of 252505142 is 241505252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252505147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539584 + ... + 1539747.

It is an arithmetic number, because the mean of its divisors is an integer number (48499479).

Almost surely, 2^252505142 is an apocalyptic number.

252505142 is a deficient number, since it is larger than the sum of its proper divisors (135490690).

252505142 is a wasteful number, since it uses less digits than its factorization.

252505142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079374.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 252505142 is about 15890.4103785900. The cubic root of 252505142 is about 632.0577228563.

The spelling of 252505142 in words is "two hundred fifty-two million, five hundred five thousand, one hundred forty-two".