1353545 has 4 divisors (see below), whose sum is σ = 1624260. Its totient is φ = 1082832.

The previous prime is 1353487. The next prime is 1353551. The reversal of 1353545 is 5453531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 512656 = 917^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353545 - 2¹⁰ = 1352521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135350 + ... + 135359.

It is an arithmetic number, because the mean of its divisors is an integer number (406065).

2^1353545 is an apocalyptic number.

It is an amenable number.

1353545 is a deficient number, since it is larger than the sum of its proper divisors (270715).

1353545 is an equidigital number, since it uses as much as digits as its factorization.

1353545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270714.

The product of its digits is 4500, while the sum is 26.

The square root of 1353545 is about 1163.4195288029. The cubic root of 1353545 is about 110.6176003435.

The spelling of 1353545 in words is "one million, three hundred fifty-three thousand, five hundred forty-five".