252600745 has 4 divisors (see below), whose sum is σ = 303120900. Its totient is φ = 202080592.

The previous prime is 252600661. The next prime is 252600781. The reversal of 252600745 is 547006252.

252600745 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 2 ways, for example, as 105124009 + 147476736 = 10253^2 + 12144^2 .

It is a cyclic number.

It is not a de Polignac number, because 252600745 - 2¹³ = 252592553 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 25260070 + ... + 25260079.

It is an arithmetic number, because the mean of its divisors is an integer number (75780225).

Almost surely, 2^252600745 is an apocalyptic number.

It is an amenable number.

252600745 is a deficient number, since it is larger than the sum of its proper divisors (50520155).

252600745 is an equidigital number, since it uses as much as digits as its factorization.

252600745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50520154.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 252600745 is about 15893.4182918591. The cubic root of 252600745 is about 632.1374822748.

Adding to 252600745 its reverse (547006252), we get a palindrome (799606997).

The spelling of 252600745 in words is "two hundred fifty-two million, six hundred thousand, seven hundred forty-five".