250533442 has 4 divisors (see below), whose sum is σ = 375800166. Its totient is φ = 125266720.

The previous prime is 250533431. The next prime is 250533463. The reversal of 250533442 is 244335052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 250240761 + 292681 = 15819^2 + 541^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 250533442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62633359 + ... + 62633362.

Almost surely, 2^250533442 is an apocalyptic number.

250533442 is a deficient number, since it is larger than the sum of its proper divisors (125266724).

250533442 is a wasteful number, since it uses less digits than its factorization.

250533442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125266723.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 250533442 is about 15828.2482290366. The cubic root of 250533442 is about 630.4082698402.

Adding to 250533442 its reverse (244335052), we get a palindrome (494868494).

The spelling of 250533442 in words is "two hundred fifty million, five hundred thirty-three thousand, four hundred forty-two".