248770485 has 24 divisors (see below), whose sum is σ = 432387384. Its totient is φ = 132312960.

The previous prime is 248770481. The next prime is 248770513. The reversal of 248770485 is 584077842.

248770485 is a `hidden beast` number, since 24 + 87 + 70 + 485 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23590449 + 225180036 = 4857^2 + 15006^2 .

It is not a de Polignac number, because 248770485 - 2² = 248770481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 248770485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248770481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9375 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (18016141).

Almost surely, 2^248770485 is an apocalyptic number.

It is an amenable number.

248770485 is a deficient number, since it is larger than the sum of its proper divisors (183616899).

248770485 is a wasteful number, since it uses less digits than its factorization.

248770485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205 (or 15202 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 248770485 is about 15772.4597003765. The cubic root of 248770485 is about 628.9260994141.

The spelling of 248770485 in words is "two hundred forty-eight million, seven hundred seventy thousand, four hundred eighty-five".