4215541 has 8 divisors (see below), whose sum is σ = 4869504. Its totient is φ = 3606720.

The previous prime is 4215539. The next prime is 4215551. The reversal of 4215541 is 1455124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4215541 - 2¹ = 4215539 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 (4215551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11085 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (608688).

Almost surely, 2^4215541 is an apocalyptic number.

It is an amenable number.

4215541 is a deficient number, since it is larger than the sum of its proper divisors (653963).

4215541 is a wasteful number, since it uses less digits than its factorization.

4215541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22571.

The product of its digits is 800, while the sum is 22.

The square root of 4215541 is about 2053.1782679543. The cubic root of 4215541 is about 161.5416219918.

The spelling of 4215541 in words is "four million, two hundred fifteen thousand, five hundred forty-one".