253345435 has 24 divisors (see below), whose sum is σ = 356818176. Its totient is φ = 172166400.

The previous prime is 253345429. The next prime is 253345439. The reversal of 253345435 is 534543352.

It is not a de Polignac number, because 253345435 - 2³ = 253345427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253345435.

It is not an unprimeable number, because it can be changed into a prime (253345439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23110 + ... + 32260.

It is an arithmetic number, because the mean of its divisors is an integer number (14867424).

Almost surely, 2^253345435 is an apocalyptic number.

253345435 is a deficient number, since it is larger than the sum of its proper divisors (103472741).

253345435 is a wasteful number, since it uses less digits than its factorization.

253345435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283 (or 9276 counting only the distinct ones).

The product of its digits is 108000, while the sum is 34.

The square root of 253345435 is about 15916.8286728230. The cubic root of 253345435 is about 632.7580724433.

Adding to 253345435 its reverse (534543352), we get a palindrome (787888787).

The spelling of 253345435 in words is "two hundred fifty-three million, three hundred forty-five thousand, four hundred thirty-five".