248112479 has 4 divisors (see below), whose sum is σ = 249755760. Its totient is φ = 246469200.

The previous prime is 248112463. The next prime is 248112497. The reversal of 248112479 is 974211842.

It is a happy number.

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 248112479 - 2⁴ = 248112463 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 (248112779) 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, 821414 + ... + 821715.

It is an arithmetic number, because the mean of its divisors is an integer number (62438940).

Almost surely, 2^248112479 is an apocalyptic number.

248112479 is a deficient number, since it is larger than the sum of its proper divisors (1643281).

248112479 is a wasteful number, since it uses less digits than its factorization.

248112479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643280.

The product of its digits is 32256, while the sum is 38.

The square root of 248112479 is about 15751.5865550109. The cubic root of 248112479 is about 628.3710998195.

The spelling of 248112479 in words is "two hundred forty-eight million, one hundred twelve thousand, four hundred seventy-nine".