801542 has 12 divisors (see below), whose sum is σ = 1398780. Its totient is φ = 343476.

The previous prime is 801539. The next prime is 801551. The reversal of 801542 is 245108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3992 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (116565).

2⁸⁰¹⁵⁴² is an apocalyptic number.

801542 is a deficient number, since it is larger than the sum of its proper divisors (597238).

801542 is a wasteful number, since it uses less digits than its factorization.

801542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195 (or 8188 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 801542 is about 895.2887802268. The cubic root of 801542 is about 92.8913828082.

The spelling of 801542 in words is "eight hundred one thousand, five hundred forty-two".