252252738 has 16 divisors (see below), whose sum is σ = 560561760. Its totient is φ = 84084228.

The previous prime is 252252733. The next prime is 252252739. The reversal of 252252738 is 837252252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252252731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335620 + ... + 2335727.

It is an arithmetic number, because the mean of its divisors is an integer number (35035110).

Almost surely, 2^252252738 is an apocalyptic number.

252252738 is an abundant number, since it is smaller than the sum of its proper divisors (308309022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252252738 is a wasteful number, since it uses less digits than its factorization.

252252738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671358 (or 4671352 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 252252738 is about 15882.4663701832. The cubic root of 252252738 is about 631.8470511284.

The spelling of 252252738 in words is "two hundred fifty-two million, two hundred fifty-two thousand, seven hundred thirty-eight".