253848487 has 4 divisors (see below), whose sum is σ = 255137256. Its totient is φ = 252559720.

The previous prime is 253848467. The next prime is 253848499. The reversal of 253848487 is 784848352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253848487 is a prime.

It is a Smith number, since the sum of its digits (49) 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 self number, because there is not a number n which added to its sum of digits gives 253848487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253848467) 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, 644089 + ... + 644482.

It is an arithmetic number, because the mean of its divisors is an integer number (63784314).

Almost surely, 2^253848487 is an apocalyptic number.

253848487 is a deficient number, since it is larger than the sum of its proper divisors (1288769).

253848487 is a wasteful number, since it uses less digits than its factorization.

253848487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288768.

The product of its digits is 1720320, while the sum is 49.

The square root of 253848487 is about 15932.6233558696. The cubic root of 253848487 is about 633.1766047700.

The spelling of 253848487 in words is "two hundred fifty-three million, eight hundred forty-eight thousand, four hundred eighty-seven".