1545535 has 4 divisors (see below), whose sum is σ = 1854648. Its totient is φ = 1236424.

The previous prime is 1545529. The next prime is 1545539. The reversal of 1545535 is 5355451.

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

It is a cyclic number.

It is not a de Polignac number, because 1545535 - 2⁵ = 1545503 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 (1545539) 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, 154549 + ... + 154558.

It is an arithmetic number, because the mean of its divisors is an integer number (463662).

2^1545535 is an apocalyptic number.

1545535 is a deficient number, since it is larger than the sum of its proper divisors (309113).

1545535 is an equidigital number, since it uses as much as digits as its factorization.

1545535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309112.

The product of its digits is 7500, while the sum is 28.

The square root of 1545535 is about 1243.1954793998. The cubic root of 1545535 is about 115.6182206885.

It can be divided in two parts, 1545 and 535, that added together give a triangular number (2080 = T₆₄).

The spelling of 1545535 in words is "one million, five hundred forty-five thousand, five hundred thirty-five".