252405794 has 8 divisors (see below), whose sum is σ = 379103340. Its totient is φ = 126038016.

The previous prime is 252405793. The next prime is 252405827. The reversal of 252405794 is 497504252.

It can be written as a sum of positive squares in 2 ways, for example, as 252396769 + 9025 = 15887^2 + 95^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252405793) 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, 80519 + ... + 83594.

Almost surely, 2^252405794 is an apocalyptic number.

252405794 is a deficient number, since it is larger than the sum of its proper divisors (126697546).

252405794 is a wasteful number, since it uses less digits than its factorization.

252405794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164884.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 252405794 is about 15887.2840347241. The cubic root of 252405794 is about 631.9748177356.

The spelling of 252405794 in words is "two hundred fifty-two million, four hundred five thousand, seven hundred ninety-four".