250342245 has 56 divisors (see below), whose sum is σ = 454154616. Its totient is φ = 132409728.

The previous prime is 250342241. The next prime is 250342247. The reversal of 250342245 is 542243052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91355364 + 158986881 = 9558^2 + 12609^2 .

It is not a de Polignac number, because 250342245 - 2² = 250342241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250342241) 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 55 ways as a sum of consecutive naturals, for example, 630387 + ... + 630783.

Almost surely, 2^250342245 is an apocalyptic number.

It is an amenable number.

250342245 is a deficient number, since it is larger than the sum of its proper divisors (203812371).

250342245 is an equidigital number, since it uses as much as digits as its factorization.

250342245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 250342245 is about 15822.2073365255. The cubic root of 250342245 is about 630.2478616544.

Adding to 250342245 its reverse (542243052), we get a palindrome (792585297).

The spelling of 250342245 in words is "two hundred fifty million, three hundred forty-two thousand, two hundred forty-five".