249019485 has 64 divisors (see below), whose sum is σ = 495694080. Its totient is φ = 104878080.

The previous prime is 249019483. The next prime is 249019523. The reversal of 249019485 is 584910942.

It is not a de Polignac number, because 249019485 - 2¹ = 249019483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249019481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33051 + ... + 39879.

It is an arithmetic number, because the mean of its divisors is an integer number (7745220).

Almost surely, 2^249019485 is an apocalyptic number.

It is an amenable number.

249019485 is a deficient number, since it is larger than the sum of its proper divisors (246674595).

249019485 is a wasteful number, since it uses less digits than its factorization.

249019485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 249019485 is about 15780.3512318326. The cubic root of 249019485 is about 629.1358648917.

The spelling of 249019485 in words is "two hundred forty-nine million, nineteen thousand, four hundred eighty-five".