253858489 has 4 divisors (see below), whose sum is σ = 262612260. Its totient is φ = 245104720.

The previous prime is 253858471. The next prime is 253858519. The reversal of 253858489 is 984858352.

253858489 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 can be written as a sum of positive squares in 2 ways, for example, as 99900025 + 153958464 = 9995^2 + 12408^2 .

It is a cyclic number.

It is not a de Polignac number, because 253858489 - 2¹³ = 253850297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253858459) 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, 4376842 + ... + 4376899.

It is an arithmetic number, because the mean of its divisors is an integer number (65653065).

Almost surely, 2^253858489 is an apocalyptic number.

253858489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

253858489 is a deficient number, since it is larger than the sum of its proper divisors (8753771).

253858489 is an equidigital number, since it uses as much as digits as its factorization.

253858489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753770.

The product of its digits is 2764800, while the sum is 52.

The square root of 253858489 is about 15932.9372370571. The cubic root of 253858489 is about 633.1849206875.

The spelling of 253858489 in words is "two hundred fifty-three million, eight hundred fifty-eight thousand, four hundred eighty-nine".