249676067 has 4 divisors (see below), whose sum is σ = 249875640. Its totient is φ = 249476496.

The previous prime is 249676013. The next prime is 249676117. The reversal of 249676067 is 760676942.

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

It is a cyclic number.

It is not a de Polignac number, because 249676067 - 2¹² = 249671971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249676667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97898 + ... + 100415.

It is an arithmetic number, because the mean of its divisors is an integer number (62468910).

Almost surely, 2^249676067 is an apocalyptic number.

249676067 is a deficient number, since it is larger than the sum of its proper divisors (199573).

249676067 is a wasteful number, since it uses less digits than its factorization.

249676067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199572.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 249676067 is about 15801.1413195376. The cubic root of 249676067 is about 629.6883206753.

The spelling of 249676067 in words is "two hundred forty-nine million, six hundred seventy-six thousand, sixty-seven".