252005738 has 8 divisors (see below), whose sum is σ = 378688932. Its totient is φ = 125776096.

The previous prime is 252005729. The next prime is 252005753. The reversal of 252005738 is 837500252.

252005738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212780569 + 39225169 = 14587^2 + 6263^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111995 + ... + 114222.

Almost surely, 2^252005738 is an apocalyptic number.

252005738 is a deficient number, since it is larger than the sum of its proper divisors (126683194).

252005738 is a wasteful number, since it uses less digits than its factorization.

252005738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226776.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 252005738 is about 15874.6885953709. The cubic root of 252005738 is about 631.6407538128.

The spelling of 252005738 in words is "two hundred fifty-two million, five thousand, seven hundred thirty-eight".