1345601 has 4 divisors (see below), whose sum is σ = 1424772. Its totient is φ = 1266432.

The previous prime is 1345583. The next prime is 1345621. The reversal of 1345601 is 1065431.

1345601 is nontrivially palindromic in base 16.

It is a Cunningham number, because it is equal to 1160²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1065431 = 29 ⋅36739.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 297025 = 1024^2 + 545^2 .

It is not a de Polignac number, because 1345601 - 2⁶ = 1345537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345621) 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, 39560 + ... + 39593.

It is an arithmetic number, because the mean of its divisors is an integer number (356193).

2^1345601 is an apocalyptic number.

It is an amenable number.

1345601 is a deficient number, since it is larger than the sum of its proper divisors (79171).

1345601 is an equidigital number, since it uses as much as digits as its factorization.

1345601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79170.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1345601 is about 1160.0004310344. Note that the first 3 decimals coincide. The cubic root of 1345601 is about 110.4007694846.

The spelling of 1345601 in words is "one million, three hundred forty-five thousand, six hundred one".