1253435 has 4 divisors (see below), whose sum is σ = 1504128. Its totient is φ = 1002744.

The previous prime is 1253401. The next prime is 1253437. The reversal of 1253435 is 5343521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253435 - 2¹⁰ = 1252411 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 1253435.

It is not an unprimeable number, because it can be changed into a prime (1253437) 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, 125339 + ... + 125348.

It is an arithmetic number, because the mean of its divisors is an integer number (376032).

2^1253435 is an apocalyptic number.

1253435 is a deficient number, since it is larger than the sum of its proper divisors (250693).

1253435 is an equidigital number, since it uses as much as digits as its factorization.

1253435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250692.

The product of its digits is 1800, while the sum is 23.

The square root of 1253435 is about 1119.5691135432. The cubic root of 1253435 is about 107.8203173636.

Adding to 1253435 its reverse (5343521), we get a palindrome (6596956).

The spelling of 1253435 in words is "one million, two hundred fifty-three thousand, four hundred thirty-five".