249025117 has 16 divisors (see below), whose sum is σ = 293258880. Its totient is φ = 209070400.

The previous prime is 249025099. The next prime is 249025121. The reversal of 249025117 is 711520942.

It is not a de Polignac number, because 249025117 - 2¹⁵ = 248992349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249025717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9634 + ... + 24307.

It is an arithmetic number, because the mean of its divisors is an integer number (18328680).

Almost surely, 2^249025117 is an apocalyptic number.

It is an amenable number.

249025117 is a deficient number, since it is larger than the sum of its proper divisors (44233763).

249025117 is a wasteful number, since it uses less digits than its factorization.

249025117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34004.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 249025117 is about 15780.5296805906. The cubic root of 249025117 is about 629.1406078492.

The spelling of 249025117 in words is "two hundred forty-nine million, twenty-five thousand, one hundred seventeen".