253034689 has 4 divisors (see below), whose sum is σ = 253255680. Its totient is φ = 252813700.

The previous prime is 253034651. The next prime is 253034693. The reversal of 253034689 is 986430352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253034689 - 2¹⁷ = 252903617 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (253034629) 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, 108769 + ... + 111070.

It is an arithmetic number, because the mean of its divisors is an integer number (63313920).

Almost surely, 2^253034689 is an apocalyptic number.

It is an amenable number.

253034689 is a deficient number, since it is larger than the sum of its proper divisors (220991).

253034689 is a wasteful number, since it uses less digits than its factorization.

253034689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220990.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 253034689 is about 15907.0641225840. The cubic root of 253034689 is about 632.4992591658.

It can be divided in two parts, 25303 and 4689, that added together give a palindrome (29992).

The spelling of 253034689 in words is "two hundred fifty-three million, thirty-four thousand, six hundred eighty-nine".