252305206 has 4 divisors (see below), whose sum is σ = 378457812. Its totient is φ = 126152602.

The previous prime is 252305201. The next prime is 252305327. The reversal of 252305206 is 602503252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252305201) by changing a digit.

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 as a sum of consecutive naturals, namely, 63076300 + ... + 63076303.

It is an arithmetic number, because the mean of its divisors is an integer number (94614453).

Almost surely, 2^252305206 is an apocalyptic number.

252305206 is a deficient number, since it is larger than the sum of its proper divisors (126152606).

252305206 is a wasteful number, since it uses less digits than its factorization.

252305206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126152605.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252305206 is about 15884.1180428754. The cubic root of 252305206 is about 631.8908556782.

Adding to 252305206 its reverse (602503252), we get a palindrome (854808458).

The spelling of 252305206 in words is "two hundred fifty-two million, three hundred five thousand, two hundred six".