250663045 has 8 divisors (see below), whose sum is σ = 318489624. Its totient is φ = 188734464.

The previous prime is 250663043. The next prime is 250663051. The reversal of 250663045 is 540366052.

It can be written as a sum of positive squares in 4 ways, for example, as 32273761 + 218389284 = 5681^2 + 14778^2 .

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 250663045 - 2¹ = 250663043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250662998 and 250663016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250663043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474404 + ... + 1474573.

It is an arithmetic number, because the mean of its divisors is an integer number (39811203).

Almost surely, 2^250663045 is an apocalyptic number.

It is an amenable number.

250663045 is a deficient number, since it is larger than the sum of its proper divisors (67826579).

250663045 is a wasteful number, since it uses less digits than its factorization.

250663045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948999.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 250663045 is about 15832.3417408796. The cubic root of 250663045 is about 630.5169562200.

The spelling of 250663045 in words is "two hundred fifty million, six hundred sixty-three thousand, forty-five".