250213049 has 8 divisors (see below), whose sum is σ = 251947080. Its totient is φ = 248484096.

The previous prime is 250213039. The next prime is 250213063. The reversal of 250213049 is 940312052.

It can be written as a sum of positive squares in 4 ways, for example, as 20539024 + 229674025 = 4532^2 + 15155^2 .

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 250213049 - 2²⁰ = 249164473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250213039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167297 + ... + 168785.

It is an arithmetic number, because the mean of its divisors is an integer number (31493385).

Almost surely, 2^250213049 is an apocalyptic number.

It is an amenable number.

250213049 is a deficient number, since it is larger than the sum of its proper divisors (1734031).

250213049 is a wasteful number, since it uses less digits than its factorization.

250213049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 250213049 is about 15818.1240670315. The cubic root of 250213049 is about 630.1394240845.

It can be divided in two parts, 2502 and 13049, that added together give a palindrome (15551).

The spelling of 250213049 in words is "two hundred fifty million, two hundred thirteen thousand, forty-nine".