248707471 has 4 divisors (see below), whose sum is σ = 250522992. Its totient is φ = 246891952.

The previous prime is 248707469. The next prime is 248707493. The reversal of 248707471 is 174707842.

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 248707471 - 2¹ = 248707469 is a prime.

It is a super-3 number, since 3×248707471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248707411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907555 + ... + 907828.

It is an arithmetic number, because the mean of its divisors is an integer number (62630748).

Almost surely, 2^248707471 is an apocalyptic number.

248707471 is a deficient number, since it is larger than the sum of its proper divisors (1815521).

248707471 is a wasteful number, since it uses less digits than its factorization.

248707471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815520.

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 248707471 is about 15770.4619780145. The cubic root of 248707471 is about 628.8729922353.

The spelling of 248707471 in words is "two hundred forty-eight million, seven hundred seven thousand, four hundred seventy-one".