252311342 has 8 divisors (see below), whose sum is σ = 378606096. Its totient is φ = 126109312.

The previous prime is 252311341. The next prime is 252311359. The reversal of 252311342 is 243113252.

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

It is a super-2 number, since 2×252311342² = 127322026603681928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252311341) 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, 15923 + ... + 27534.

It is an arithmetic number, because the mean of its divisors is an integer number (47325762).

Almost surely, 2^252311342 is an apocalyptic number.

252311342 is a deficient number, since it is larger than the sum of its proper divisors (126294754).

252311342 is a wasteful number, since it uses less digits than its factorization.

252311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46362.

The product of its digits is 1440, while the sum is 23.

The square root of 252311342 is about 15884.3111906057. The cubic root of 252311342 is about 631.8959781129.

Adding to 252311342 its reverse (243113252), we get a palindrome (495424594).

The spelling of 252311342 in words is "two hundred fifty-two million, three hundred eleven thousand, three hundred forty-two".