4091542 has 16 divisors (see below), whose sum is σ = 7553952. Its totient is φ = 1618560.

The previous prime is 4091537. The next prime is 4091561. The reversal of 4091542 is 2451904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11059 + ... + 11422.

It is an arithmetic number, because the mean of its divisors is an integer number (472122).

Almost surely, 2^4091542 is an apocalyptic number.

4091542 is a deficient number, since it is larger than the sum of its proper divisors (3462410).

4091542 is a wasteful number, since it uses less digits than its factorization.

4091542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22503.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4091542 is about 2022.7560406534. The cubic root of 4091542 is about 159.9419320533.

The spelling of 4091542 in words is "four million, ninety-one thousand, five hundred forty-two".