42535197 has 6 divisors (see below), whose sum is σ = 61439742. Its totient is φ = 28356792.

The previous prime is 42535187. The next prime is 42535223. The reversal of 42535197 is 79153524.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 622521 = 6474^2 + 789^2 .

It is not a de Polignac number, because 42535197 - 2⁶ = 42535133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2363058 + ... + 2363075.

It is an arithmetic number, because the mean of its divisors is an integer number (10239957).

Almost surely, 2^42535197 is an apocalyptic number.

It is an amenable number.

42535197 is a deficient number, since it is larger than the sum of its proper divisors (18904545).

42535197 is a wasteful number, since it uses less digits than its factorization.

42535197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726139 (or 4726136 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 42535197 is about 6521.9013332003. The cubic root of 42535197 is about 349.0729124652.

The spelling of 42535197 in words is "forty-two million, five hundred thirty-five thousand, one hundred ninety-seven".