250533401 has 4 divisors (see below), whose sum is σ = 257304612. Its totient is φ = 243762192.

The previous prime is 250533379. The next prime is 250533421. The reversal of 250533401 is 104335052.

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 235315600 + 15217801 = 15340^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 250533401 - 2⁶ = 250533337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250533421) 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 3 ways as a sum of consecutive naturals, for example, 3385550 + ... + 3385623.

It is an arithmetic number, because the mean of its divisors is an integer number (64326153).

Almost surely, 2^250533401 is an apocalyptic number.

It is an amenable number.

250533401 is a deficient number, since it is larger than the sum of its proper divisors (6771211).

250533401 is an equidigital number, since it uses as much as digits as its factorization.

250533401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771210.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 250533401 is about 15828.2469338837. The cubic root of 250533401 is about 630.4082354512.

Adding to 250533401 its reverse (104335052), we get a palindrome (354868453).

The spelling of 250533401 in words is "two hundred fifty million, five hundred thirty-three thousand, four hundred one".