252603146 has 4 divisors (see below), whose sum is σ = 378904722. Its totient is φ = 126301572.

The previous prime is 252603083. The next prime is 252603151. The reversal of 252603146 is 641306252.

252603146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 250873921 + 1729225 = 15839^2 + 1315^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63150785 + ... + 63150788.

Almost surely, 2^252603146 is an apocalyptic number.

252603146 is a deficient number, since it is larger than the sum of its proper divisors (126301576).

252603146 is a wasteful number, since it uses less digits than its factorization.

252603146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126301575.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 252603146 is about 15893.4938260912. The cubic root of 252603146 is about 632.1394851157.

Adding to 252603146 its reverse (641306252), we get a palindrome (893909398).

The spelling of 252603146 in words is "two hundred fifty-two million, six hundred three thousand, one hundred forty-six".