1253433 has 4 divisors (see below), whose sum is σ = 1671248. Its totient is φ = 835620.

The previous prime is 1253401. The next prime is 1253437. The reversal of 1253433 is 3343521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3343521 = 3 ⋅1114507.

It is not a de Polignac number, because 1253433 - 2⁵ = 1253401 is a prime.

It is a D-number.

It is a Duffinian number.

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, 208903 + ... + 208908.

It is an arithmetic number, because the mean of its divisors is an integer number (417812).

2^1253433 is an apocalyptic number.

It is an amenable number.

1253433 is a deficient number, since it is larger than the sum of its proper divisors (417815).

1253433 is an equidigital number, since it uses as much as digits as its factorization.

1253433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417814.

The product of its digits is 1080, while the sum is 21.

The square root of 1253433 is about 1119.5682203421. The cubic root of 1253433 is about 107.8202600170.

Adding to 1253433 its reverse (3343521), we get a palindrome (4596954).

The spelling of 1253433 in words is "one million, two hundred fifty-three thousand, four hundred thirty-three".