4215542 has 4 divisors (see below), whose sum is σ = 6323316. Its totient is φ = 2107770.

The previous prime is 4215539. The next prime is 4215551. The reversal of 4215542 is 2455124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053884 + ... + 1053887.

It is an arithmetic number, because the mean of its divisors is an integer number (1580829).

Almost surely, 2^4215542 is an apocalyptic number.

4215542 is a deficient number, since it is larger than the sum of its proper divisors (2107774).

4215542 is a wasteful number, since it uses less digits than its factorization.

4215542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107773.

The product of its digits is 1600, while the sum is 23.

The square root of 4215542 is about 2053.1785114792. The cubic root of 4215542 is about 161.5416347653.

The spelling of 4215542 in words is "four million, two hundred fifteen thousand, five hundred forty-two".