248520099 has 4 divisors (see below), whose sum is σ = 331360136. Its totient is φ = 165680064.

The previous prime is 248520079. The next prime is 248520101. The reversal of 248520099 is 990025842.

248520099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-248520099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248520079) 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, 41420014 + ... + 41420019.

It is an arithmetic number, because the mean of its divisors is an integer number (82840034).

Almost surely, 2^248520099 is an apocalyptic number.

248520099 is a deficient number, since it is larger than the sum of its proper divisors (82840037).

248520099 is an equidigital number, since it uses as much as digits as its factorization.

248520099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82840036.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 248520099 is about 15764.5202591135. The cubic root of 248520099 is about 628.7150251352.

The spelling of 248520099 in words is "two hundred forty-eight million, five hundred twenty thousand, ninety-nine".