249693254 has 4 divisors (see below), whose sum is σ = 374539884. Its totient is φ = 124846626.

The previous prime is 249693211. The next prime is 249693259. The reversal of 249693254 is 452396942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249693259) 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 as a sum of consecutive naturals, namely, 62423312 + ... + 62423315.

It is an arithmetic number, because the mean of its divisors is an integer number (93634971).

Almost surely, 2^249693254 is an apocalyptic number.

249693254 is a deficient number, since it is larger than the sum of its proper divisors (124846630).

249693254 is a wasteful number, since it uses less digits than its factorization.

249693254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124846629.

The product of its digits is 466560, while the sum is 44.

The square root of 249693254 is about 15801.6851632982. The cubic root of 249693254 is about 629.7027690030.

The spelling of 249693254 in words is "two hundred forty-nine million, six hundred ninety-three thousand, two hundred fifty-four".