252231542 has 8 divisors (see below), whose sum is σ = 382093632. Its totient is φ = 124867000.

The previous prime is 252231503. The next prime is 252231557. The reversal of 252231542 is 245132252.

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

It is a congruent number.

It is an unprimeable number.

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, 624134 + ... + 624537.

It is an arithmetic number, because the mean of its divisors is an integer number (47761704).

Almost surely, 2^252231542 is an apocalyptic number.

252231542 is a deficient number, since it is larger than the sum of its proper divisors (129862090).

252231542 is a wasteful number, since it uses less digits than its factorization.

252231542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248774.

The product of its digits is 4800, while the sum is 26.

The square root of 252231542 is about 15881.7990794494. The cubic root of 252231542 is about 631.8293532628.

Adding to 252231542 its reverse (245132252), we get a palindrome (497363794).

The spelling of 252231542 in words is "two hundred fifty-two million, two hundred thirty-one thousand, five hundred forty-two".