1395543 has 16 divisors (see below), whose sum is σ = 1938816. Its totient is φ = 892320.

The previous prime is 1395533. The next prime is 1395551. The reversal of 1395543 is 3455931.

It is not a de Polignac number, because 1395543 - 2¹² = 1391447 is a prime.

1395543 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1395543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10588 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (121176).

2^1395543 is an apocalyptic number.

1395543 is a deficient number, since it is larger than the sum of its proper divisors (543273).

1395543 is a wasteful number, since it uses less digits than its factorization.

1395543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 8100, while the sum is 30.

The square root of 1395543 is about 1181.3310289669. The cubic root of 1395543 is about 111.7500538014.

The spelling of 1395543 in words is "one million, three hundred ninety-five thousand, five hundred forty-three".