253002889 has 4 divisors (see below), whose sum is σ = 256468756. Its totient is φ = 249537024.

The previous prime is 253002887. The next prime is 253002899. The reversal of 253002889 is 988200352.

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 106399225 + 146603664 = 10315^2 + 12108^2 .

It is a cyclic number.

It is not a de Polignac number, because 253002889 - 2¹ = 253002887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253002887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732824 + ... + 1732969.

It is an arithmetic number, because the mean of its divisors is an integer number (64117189).

Almost surely, 2^253002889 is an apocalyptic number.

It is an amenable number.

253002889 is a deficient number, since it is larger than the sum of its proper divisors (3465867).

253002889 is an equidigital number, since it uses as much as digits as its factorization.

253002889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465866.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 253002889 is about 15906.0645352645. The cubic root of 253002889 is about 632.4727617197.

The spelling of 253002889 in words is "two hundred fifty-three million, two thousand, eight hundred eighty-nine".