253260663 has 4 divisors (see below), whose sum is σ = 337680888. Its totient is φ = 168840440.

The previous prime is 253260647. The next prime is 253260719. The reversal of 253260663 is 366062352.

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 253260663 - 2⁴ = 253260647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253260643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42210108 + ... + 42210113.

It is an arithmetic number, because the mean of its divisors is an integer number (84420222).

Almost surely, 2^253260663 is an apocalyptic number.

253260663 is a deficient number, since it is larger than the sum of its proper divisors (84420225).

253260663 is an equidigital number, since it uses as much as digits as its factorization.

253260663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84420224.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 253260663 is about 15914.1654823619. The cubic root of 253260663 is about 632.6874887739.

The spelling of 253260663 in words is "two hundred fifty-three million, two hundred sixty thousand, six hundred sixty-three".