1345573 has 4 divisors (see below), whose sum is σ = 1348128. Its totient is φ = 1343020.

The previous prime is 1345559. The next prime is 1345577. The reversal of 1345573 is 3755431.

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 1345573 - 2⁵ = 1345541 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 (1345577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (337032).

2^1345573 is an apocalyptic number.

It is an amenable number.

1345573 is a deficient number, since it is larger than the sum of its proper divisors (2555).

1345573 is an equidigital number, since it uses as much as digits as its factorization.

1345573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its digits is 6300, while the sum is 28.

The square root of 1345573 is about 1159.9883620106. The cubic root of 1345573 is about 110.4000037195.

The spelling of 1345573 in words is "one million, three hundred forty-five thousand, five hundred seventy-three".