1253465 has 4 divisors (see below), whose sum is σ = 1504164. Its totient is φ = 1002768.

The previous prime is 1253453. The next prime is 1253471. The reversal of 1253465 is 5643521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5643521 = 13 ⋅434117.

It can be written as a sum of positive squares in 2 ways, for example, as 534361 + 719104 = 731^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253465 - 2⁶ = 1253401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125342 + ... + 125351.

It is an arithmetic number, because the mean of its divisors is an integer number (376041).

2^1253465 is an apocalyptic number.

It is an amenable number.

1253465 is a deficient number, since it is larger than the sum of its proper divisors (250699).

1253465 is an equidigital number, since it uses as much as digits as its factorization.

1253465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250698.

The product of its digits is 3600, while the sum is 26.

The square root of 1253465 is about 1119.5825114747. The cubic root of 1253465 is about 107.8211775554.

Adding to 1253465 its reverse (5643521), we get a palindrome (6896986).

The spelling of 1253465 in words is "one million, two hundred fifty-three thousand, four hundred sixty-five".