252412306 has 4 divisors (see below), whose sum is σ = 378618462. Its totient is φ = 126206152.

The previous prime is 252412301. The next prime is 252412309. The reversal of 252412306 is 603214252.

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

It can be written as a sum of positive squares in only one way, i.e., 243079281 + 9333025 = 15591^2 + 3055^2 .

It is not an unprimeable number, because it can be changed into a prime (252412301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63103075 + ... + 63103078.

Almost surely, 2^252412306 is an apocalyptic number.

252412306 is a deficient number, since it is larger than the sum of its proper divisors (126206156).

252412306 is a wasteful number, since it uses less digits than its factorization.

252412306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126206155.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 252412306 is about 15887.4889771795. The cubic root of 252412306 is about 631.9802526143.

Adding to 252412306 its reverse (603214252), we get a palindrome (855626558).

The spelling of 252412306 in words is "two hundred fifty-two million, four hundred twelve thousand, three hundred six".