250245649 has 4 divisors (see below), whose sum is σ = 251925300. Its totient is φ = 248566000.

The previous prime is 250245647. The next prime is 250245683. The reversal of 250245649 is 946542052.

250245649 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 35916049 + 214329600 = 5993^2 + 14640^2 .

It is a cyclic number.

It is not a de Polignac number, because 250245649 - 2¹ = 250245647 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (250245641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839602 + ... + 839899.

It is an arithmetic number, because the mean of its divisors is an integer number (62981325).

Almost surely, 2^250245649 is an apocalyptic number.

It is an amenable number.

250245649 is a deficient number, since it is larger than the sum of its proper divisors (1679651).

250245649 is a wasteful number, since it uses less digits than its factorization.

250245649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679650.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 250245649 is about 15819.1544970014. The cubic root of 250245649 is about 630.1667896346.

The spelling of 250245649 in words is "two hundred fifty million, two hundred forty-five thousand, six hundred forty-nine".