250550945 has 8 divisors (see below), whose sum is σ = 303322536. Its totient is φ = 198666496.

The previous prime is 250550933. The next prime is 250550953. The reversal of 250550945 is 549055052.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 249418849 = 1064^2 + 15793^2 .

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 250550945 - 2¹⁶ = 250485409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221162 + ... + 222291.

It is an arithmetic number, because the mean of its divisors is an integer number (37915317).

Almost surely, 2^250550945 is an apocalyptic number.

It is an amenable number.

250550945 is a deficient number, since it is larger than the sum of its proper divisors (52771591).

250550945 is a wasteful number, since it uses less digits than its factorization.

250550945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443571.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 250550945 is about 15828.8011232689. The cubic root of 250550945 is about 630.4229502210.

The spelling of 250550945 in words is "two hundred fifty million, five hundred fifty thousand, nine hundred forty-five".