250565053 has 4 divisors (see below), whose sum is σ = 250762240. Its totient is φ = 250367868.

The previous prime is 250565009. The next prime is 250565071. The reversal of 250565053 is 350565052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250565053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250565083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96675 + ... + 99232.

It is an arithmetic number, because the mean of its divisors is an integer number (62690560).

Almost surely, 2^250565053 is an apocalyptic number.

It is an amenable number.

250565053 is a deficient number, since it is larger than the sum of its proper divisors (197187).

250565053 is a wasteful number, since it uses less digits than its factorization.

250565053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197186.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 250565053 is about 15829.2467603484. The cubic root of 250565053 is about 630.4347825984.

Subtracting 250565053 from its reverse (350565052), we obtain a palindrome (99999999).

The spelling of 250565053 in words is "two hundred fifty million, five hundred sixty-five thousand, fifty-three".