252003245 has 8 divisors (see below), whose sum is σ = 325665816. Its totient is φ = 186094656.

The previous prime is 252003197. The next prime is 252003317. The reversal of 252003245 is 542300252.

252003245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 251825161 = 422^2 + 15869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252003245 - 2¹² = 251999149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252003245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938422 + ... + 1938551.

It is an arithmetic number, because the mean of its divisors is an integer number (40708227).

Almost surely, 2^252003245 is an apocalyptic number.

It is an amenable number.

252003245 is a deficient number, since it is larger than the sum of its proper divisors (73662571).

252003245 is a wasteful number, since it uses less digits than its factorization.

252003245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876991.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 252003245 is about 15874.6100739514. The cubic root of 252003245 is about 631.6386709427.

Adding to 252003245 its reverse (542300252), we get a palindrome (794303497).

The spelling of 252003245 in words is "two hundred fifty-two million, three thousand, two hundred forty-five".