252116542 has 8 divisors (see below), whose sum is σ = 378265536. Its totient is φ = 126028032.

The previous prime is 252116539. The next prime is 252116549. The reversal of 252116542 is 245611252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252116542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252116549) 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, 2638 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (47283192).

Almost surely, 2^252116542 is an apocalyptic number.

252116542 is a deficient number, since it is larger than the sum of its proper divisors (126148994).

252116542 is a wasteful number, since it uses less digits than its factorization.

252116542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30242.

The product of its digits is 4800, while the sum is 28.

The square root of 252116542 is about 15878.1781700546. The cubic root of 252116542 is about 631.7333152857.

Adding to 252116542 its reverse (245611252), we get a palindrome (497727794).

The spelling of 252116542 in words is "two hundred fifty-two million, one hundred sixteen thousand, five hundred forty-two".