972535 has 4 divisors (see below), whose sum is σ = 1167048. Its totient is φ = 778024.

The previous prime is 972533. The next prime is 972557. The reversal of 972535 is 535279.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 972535 - 2¹ = 972533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 972497 and 972506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97249 + ... + 97258.

It is an arithmetic number, because the mean of its divisors is an integer number (291762).

2⁹⁷²⁵³⁵ is an apocalyptic number.

972535 is a deficient number, since it is larger than the sum of its proper divisors (194513).

972535 is a wasteful number, since it uses less digits than its factorization.

972535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194512.

The product of its digits is 9450, while the sum is 31.

The square root of 972535 is about 986.1718917106. The cubic root of 972535 is about 99.0759883215.

The spelling of 972535 in words is "nine hundred seventy-two thousand, five hundred thirty-five".