253434513 has 8 divisors (see below), whose sum is σ = 338022976. Its totient is φ = 168901200.

The previous prime is 253434491. The next prime is 253434551. The reversal of 253434513 is 315434352.

253434513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253434513 - 2⁸ = 253434257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253434413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (42252872).

Almost surely, 2^253434513 is an apocalyptic number.

It is an amenable number.

253434513 is a deficient number, since it is larger than the sum of its proper divisors (84588463).

253434513 is a wasteful number, since it uses less digits than its factorization.

253434513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575.

The product of its digits is 21600, while the sum is 30.

The square root of 253434513 is about 15919.6266601953. The cubic root of 253434513 is about 632.8322244521.

Adding to 253434513 its reverse (315434352), we get a palindrome (568868865).

The spelling of 253434513 in words is "two hundred fifty-three million, four hundred thirty-four thousand, five hundred thirteen".