253489435 has 16 divisors (see below), whose sum is σ = 316965600. Its totient is φ = 194374656.

The previous prime is 253489409. The next prime is 253489451. The reversal of 253489435 is 534984352.

It is a cyclic number.

It is not a de Polignac number, because 253489435 - 2⁷ = 253489307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253489391 and 253489400.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13867 + ... + 26443.

It is an arithmetic number, because the mean of its divisors is an integer number (19810350).

Almost surely, 2^253489435 is an apocalyptic number.

253489435 is a deficient number, since it is larger than the sum of its proper divisors (63476165).

253489435 is a wasteful number, since it uses less digits than its factorization.

253489435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750.

The product of its digits is 518400, while the sum is 43.

The square root of 253489435 is about 15921.3515443884. The cubic root of 253489435 is about 632.8779350128.

The spelling of 253489435 in words is "two hundred fifty-three million, four hundred eighty-nine thousand, four hundred thirty-five".