249201153 has 6 divisors (see below), whose sum is σ = 359957234. Its totient is φ = 166134096.

The previous prime is 249201151. The next prime is 249201163. The reversal of 249201153 is 351102942.

It can be written as a sum of positive squares in only one way, i.e., 240002064 + 9199089 = 15492^2 + 3033^2 .

It is not a de Polignac number, because 249201153 - 2¹ = 249201151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13844500 + ... + 13844517.

Almost surely, 2^249201153 is an apocalyptic number.

It is an amenable number.

249201153 is a deficient number, since it is larger than the sum of its proper divisors (110756081).

249201153 is a wasteful number, since it uses less digits than its factorization.

249201153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27689023 (or 27689020 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 249201153 is about 15786.1063280342. The cubic root of 249201153 is about 629.2888195515.

The spelling of 249201153 in words is "two hundred forty-nine million, two hundred one thousand, one hundred fifty-three".