249425067 has 4 divisors (see below), whose sum is σ = 332566760. Its totient is φ = 166283376.

The previous prime is 249425047. The next prime is 249425089. The reversal of 249425067 is 760524942.

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

It is not a de Polignac number, because 249425067 - 2¹² = 249420971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249425047) 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 3 ways as a sum of consecutive naturals, for example, 41570842 + ... + 41570847.

It is an arithmetic number, because the mean of its divisors is an integer number (83141690).

Almost surely, 2^249425067 is an apocalyptic number.

249425067 is a deficient number, since it is larger than the sum of its proper divisors (83141693).

249425067 is an equidigital number, since it uses as much as digits as its factorization.

249425067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83141692.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 249425067 is about 15793.1968581412. The cubic root of 249425067 is about 629.4772408239.

The spelling of 249425067 in words is "two hundred forty-nine million, four hundred twenty-five thousand, sixty-seven".