248015849 has 4 divisors (see below), whose sum is σ = 248503620. Its totient is φ = 247528080.

The previous prime is 248015837. The next prime is 248015891. The reversal of 248015849 is 948510842.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221801449 + 26214400 = 14893^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 248015849 - 2²⁴ = 231238633 is a prime.

It is a super-2 number, since 2×248015849² = 123023722710381602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248015899) 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, 243122 + ... + 244139.

It is an arithmetic number, because the mean of its divisors is an integer number (62125905).

Almost surely, 2^248015849 is an apocalyptic number.

It is an amenable number.

248015849 is a deficient number, since it is larger than the sum of its proper divisors (487771).

248015849 is an equidigital number, since it uses as much as digits as its factorization.

248015849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487770.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 248015849 is about 15748.5189462375. The cubic root of 248015849 is about 628.2895139948.

The spelling of 248015849 in words is "two hundred forty-eight million, fifteen thousand, eight hundred forty-nine".