250533049 has 4 divisors (see below), whose sum is σ = 269804836. Its totient is φ = 231261264.

The previous prime is 250533013. The next prime is 250533053. The reversal of 250533049 is 940335052.

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 55428025 + 195105024 = 7445^2 + 13968^2 .

It is not a de Polignac number, because 250533049 - 2¹⁵ = 250500281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250533049.

It is not an unprimeable number, because it can be changed into a prime (250533079) 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, 9635874 + ... + 9635899.

It is an arithmetic number, because the mean of its divisors is an integer number (67451209).

Almost surely, 2^250533049 is an apocalyptic number.

It is an amenable number.

250533049 is a deficient number, since it is larger than the sum of its proper divisors (19271787).

250533049 is a wasteful number, since it uses less digits than its factorization.

250533049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271786.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 250533049 is about 15828.2358145183. The cubic root of 250533049 is about 630.4079402094.

The spelling of 250533049 in words is "two hundred fifty million, five hundred thirty-three thousand, forty-nine".