5642541 has 10 divisors (see below), whose sum is σ = 8429102. Its totient is φ = 3761640.

The previous prime is 5642531. The next prime is 5642591. The reversal of 5642541 is 1452465.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 2205225 = 1854^2 + 1485^2 .

It is not a de Polignac number, because 5642541 - 2⁵ = 5642509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642531) 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 9 ways as a sum of consecutive naturals, for example, 34750 + ... + 34911.

Almost surely, 2^5642541 is an apocalyptic number.

It is an amenable number.

5642541 is a deficient number, since it is larger than the sum of its proper divisors (2786561).

5642541 is an equidigital number, since it uses as much as digits as its factorization.

5642541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69673 (or 69664 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 5642541 is about 2375.4033341730. The cubic root of 5642541 is about 178.0293369985.

The spelling of 5642541 in words is "five million, six hundred forty-two thousand, five hundred forty-one".