248407247 has 32 divisors (see below), whose sum is σ = 300754944. Its totient is φ = 202521600.

The previous prime is 248407217. The next prime is 248407249. The reversal of 248407247 is 742704842.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248407247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248407247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248407249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422888 + ... + 423474.

It is an arithmetic number, because the mean of its divisors is an integer number (9398592).

Almost surely, 2^248407247 is an apocalyptic number.

248407247 is a deficient number, since it is larger than the sum of its proper divisors (52347697).

248407247 is a wasteful number, since it uses less digits than its factorization.

248407247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 248407247 is about 15760.9405493454. The cubic root of 248407247 is about 628.6198450530.

The spelling of 248407247 in words is "two hundred forty-eight million, four hundred seven thousand, two hundred forty-seven".