1381453 has 4 divisors (see below), whose sum is σ = 1426048. Its totient is φ = 1336860.

The previous prime is 1381451. The next prime is 1381459. The reversal of 1381453 is 3541831.

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.

It is a cyclic number.

It is not a de Polignac number, because 1381453 - 2¹ = 1381451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381451) 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, 22251 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (356512).

2^1381453 is an apocalyptic number.

It is an amenable number.

1381453 is a deficient number, since it is larger than the sum of its proper divisors (44595).

1381453 is an equidigital number, since it uses as much as digits as its factorization.

1381453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44594.

The product of its digits is 1440, while the sum is 25.

The square root of 1381453 is about 1175.3522876142. The cubic root of 1381453 is about 111.3726887849.

The spelling of 1381453 in words is "one million, three hundred eighty-one thousand, four hundred fifty-three".