248715049 has 16 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 205461760.

The previous prime is 248715013. The next prime is 248715113. The reversal of 248715049 is 940517842.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248715049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248715349) 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, 17509 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (18574920).

Almost surely, 2^248715049 is an apocalyptic number.

248715049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

248715049 is a deficient number, since it is larger than the sum of its proper divisors (48483671).

248715049 is a wasteful number, since it uses less digits than its factorization.

248715049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45920.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 248715049 is about 15770.7022354745. The cubic root of 248715049 is about 628.8793793255.

The spelling of 248715049 in words is "two hundred forty-eight million, seven hundred fifteen thousand, forty-nine".