245203252 has 18 divisors (see below), whose sum is σ = 499164162. Its totient is φ = 105087024.

The previous prime is 245203249. The next prime is 245203279. The reversal of 245203252 is 252302542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 220641316 + 24561936 = 14854^2 + 4956^2 .

245203252 is a modest number, since divided by 3252 gives 2452 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625323 + ... + 625714.

Almost surely, 2^245203252 is an apocalyptic number.

It is an amenable number.

245203252 is an abundant number, since it is smaller than the sum of its proper divisors (253960910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245203252 is a wasteful number, since it uses less digits than its factorization.

245203252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251055 (or 1251046 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245203252 is about 15658.9671434613. The cubic root of 245203252 is about 625.9054626264.

Adding to 245203252 its reverse (252302542), we get a palindrome (497505794).

It can be divided in two parts, 24520 and 3252, that added together give a palindrome (27772).

The spelling of 245203252 in words is "two hundred forty-five million, two hundred three thousand, two hundred fifty-two".