1641542 has 16 divisors (see below), whose sum is σ = 2891040. Its totient is φ = 684288.

The previous prime is 1641539. The next prime is 1641559. The reversal of 1641542 is 2451461.

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, 1067 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (180690).

2^1641542 is an apocalyptic number.

1641542 is a deficient number, since it is larger than the sum of its proper divisors (1249498).

1641542 is a wasteful number, since it uses less digits than its factorization.

1641542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its digits is 960, while the sum is 23.

The square root of 1641542 is about 1281.2267558867. The cubic root of 1641542 is about 117.9643193854.

The spelling of 1641542 in words is "one million, six hundred forty-one thousand, five hundred forty-two".