1602541 has 4 divisors (see below), whose sum is σ = 1625184. Its totient is φ = 1579900.

The previous prime is 1602529. The next prime is 1602551. The reversal of 1602541 is 1452061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1452061 = 13 ⋅111697.

It is a cyclic number.

It is not a de Polignac number, because 1602541 - 2⁵ = 1602509 is a prime.

It is a Duffinian number.

1602541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11215 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (406296).

2^1602541 is an apocalyptic number.

It is an amenable number.

1602541 is a deficient number, since it is larger than the sum of its proper divisors (22643).

1602541 is an equidigital number, since it uses as much as digits as its factorization.

1602541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22642.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1602541 is about 1265.9150840400. The cubic root of 1602541 is about 117.0225928562.

It can be divided in two parts, 160 and 2541, that added together give a triangular number (2701 = T₇₃).

The spelling of 1602541 in words is "one million, six hundred two thousand, five hundred forty-one".