250801089 has 16 divisors (see below), whose sum is σ = 416916480. Its totient is φ = 130286160.

The previous prime is 250801049. The next prime is 250801099. The reversal of 250801089 is 980108052.

It is a happy number.

It is not a de Polignac number, because 250801089 - 2¹¹ = 250799041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (250801009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542629 + ... + 543090.

It is an arithmetic number, because the mean of its divisors is an integer number (26057280).

Almost surely, 2^250801089 is an apocalyptic number.

It is an amenable number.

250801089 is a deficient number, since it is larger than the sum of its proper divisors (166115391).

250801089 is a wasteful number, since it uses less digits than its factorization.

250801089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085740.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 250801089 is about 15836.7006980621. The cubic root of 250801089 is about 630.6326801123.

The spelling of 250801089 in words is "two hundred fifty million, eight hundred one thousand, eighty-nine".