1352645 has 12 divisors (see below), whose sum is σ = 1888524. Its totient is φ = 927360.

The previous prime is 1352641. The next prime is 1352657. The reversal of 1352645 is 5462531.

It can be written as a sum of positive squares in 2 ways, for example, as 432964 + 919681 = 658^2 + 959^2 .

It is not a de Polignac number, because 1352645 - 2² = 1352641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2516 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (157377).

2^1352645 is an apocalyptic number.

It is an amenable number.

1352645 is a deficient number, since it is larger than the sum of its proper divisors (535879).

1352645 is an equidigital number, since it uses as much as digits as its factorization.

1352645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 5533 counting only the distinct ones).

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

The square root of 1352645 is about 1163.0326736597. The cubic root of 1352645 is about 110.5930775991.

The spelling of 1352645 in words is "one million, three hundred fifty-two thousand, six hundred forty-five".