252386249 has 4 divisors (see below), whose sum is σ = 252418320. Its totient is φ = 252354180.

The previous prime is 252386243. The next prime is 252386257. The reversal of 252386249 is 942683252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252386249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252386243) 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, 4754 + ... + 22964.

It is an arithmetic number, because the mean of its divisors is an integer number (63104580).

Almost surely, 2^252386249 is an apocalyptic number.

It is an amenable number.

252386249 is a deficient number, since it is larger than the sum of its proper divisors (32071).

252386249 is a wasteful number, since it uses less digits than its factorization.

252386249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070.

The product of its digits is 207360, while the sum is 41.

The square root of 252386249 is about 15886.6689082388. The cubic root of 252386249 is about 631.9585050268.

The spelling of 252386249 in words is "two hundred fifty-two million, three hundred eighty-six thousand, two hundred forty-nine".