1253453 has 2 divisors, whose sum is σ = 1253454. Its totient is φ = 1253452.

The previous prime is 1253437. The next prime is 1253471. The reversal of 1253453 is 3543521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 178084 = 1037^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253453 - 2⁴ = 1253437 is a prime.

It is a super-2 number, since 2×1253453² = 3142288846418, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626726 + 626727.

It is an arithmetic number, because the mean of its divisors is an integer number (626727).

2^1253453 is an apocalyptic number.

It is an amenable number.

1253453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253453 is an equidigital number, since it uses as much as digits as its factorization.

1253453 is an evil number, because the sum of its binary digits is even.

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

The square root of 1253453 is about 1119.5771523214. The cubic root of 1253453 is about 107.8208334803.

Adding to 1253453 its reverse (3543521), we get a palindrome (4796974).

The spelling of 1253453 in words is "one million, two hundred fifty-three thousand, four hundred fifty-three".