252661342 has 8 divisors (see below), whose sum is σ = 380079000. Its totient is φ = 125968344.

The previous prime is 252661337. The next prime is 252661349. The reversal of 252661342 is 243166252.

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 (252661349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180292 + ... + 181687.

It is an arithmetic number, because the mean of its divisors is an integer number (47509875).

Almost surely, 2^252661342 is an apocalyptic number.

252661342 is a deficient number, since it is larger than the sum of its proper divisors (127417658).

252661342 is a wasteful number, since it uses less digits than its factorization.

252661342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362330.

The product of its digits is 17280, while the sum is 31.

The square root of 252661342 is about 15895.3245327046. The cubic root of 252661342 is about 632.1880265601.

The spelling of 252661342 in words is "two hundred fifty-two million, six hundred sixty-one thousand, three hundred forty-two".