1632541 has 4 divisors (see below), whose sum is σ = 1639900. Its totient is φ = 1625184.

The previous prime is 1632523. The next prime is 1632557. The reversal of 1632541 is 1452361.

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 1313316 + 319225 = 1146^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632541 - 2⁵ = 1632509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (409975).

2^1632541 is an apocalyptic number.

It is an amenable number.

1632541 is a deficient number, since it is larger than the sum of its proper divisors (7359).

1632541 is an equidigital number, since it uses as much as digits as its factorization.

1632541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358.

The product of its digits is 720, while the sum is 22.

The square root of 1632541 is about 1277.7092783572. The cubic root of 1632541 is about 117.7483144594.

It can be divided in two parts, 163 and 2541, that added together give a square (2704 = 52²).

The spelling of 1632541 in words is "one million, six hundred thirty-two thousand, five hundred forty-one".