801537 has 16 divisors (see below), whose sum is σ = 1181952. Its totient is φ = 479120.

The previous prime is 801517. The next prime is 801539. The reversal of 801537 is 735108.

It is a cyclic number.

It is not a de Polignac number, because 801537 - 2¹¹ = 799489 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (801539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (73872).

2⁸⁰¹⁵³⁷ is an apocalyptic number.

It is an amenable number.

801537 is a deficient number, since it is larger than the sum of its proper divisors (380415).

801537 is a wasteful number, since it uses less digits than its factorization.

801537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 801537 is about 895.2859878274. The cubic root of 801537 is about 92.8911896564.

The spelling of 801537 in words is "eight hundred one thousand, five hundred thirty-seven".