245005252 has 12 divisors (see below), whose sum is σ = 433577340. Its totient is φ = 121126016.

The previous prime is 245005213. The next prime is 245005279. The reversal of 245005252 is 252500542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52794756 + 192210496 = 7266^2 + 13864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343753 + ... + 344464.

It is an arithmetic number, because the mean of its divisors is an integer number (36131445).

Almost surely, 2^245005252 is an apocalyptic number.

It is an amenable number.

245005252 is a deficient number, since it is larger than the sum of its proper divisors (188572088).

245005252 is a wasteful number, since it uses less digits than its factorization.

245005252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688310 (or 688308 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 245005252 is about 15652.6436105854. The cubic root of 245005252 is about 625.7369457560.

Adding to 245005252 its reverse (252500542), we get a palindrome (497505794).

The spelling of 245005252 in words is "two hundred forty-five million, five thousand, two hundred fifty-two".