4205542 has 8 divisors (see below), whose sum is σ = 6881832. Its totient is φ = 1911600.

The previous prime is 4205533. The next prime is 4205549. The reversal of 4205542 is 2455024.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 191161 = 4205542 / (4 + 2 + 0 + 5 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95559 + ... + 95602.

It is an arithmetic number, because the mean of its divisors is an integer number (860229).

Almost surely, 2^4205542 is an apocalyptic number.

4205542 is a deficient number, since it is larger than the sum of its proper divisors (2676290).

4205542 is a wasteful number, since it uses less digits than its factorization.

4205542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191174.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4205542 is about 2050.7418170018. The cubic root of 4205542 is about 161.4137986623.

The spelling of 4205542 in words is "four million, two hundred five thousand, five hundred forty-two".