42535797 has 4 divisors (see below), whose sum is σ = 56714400. Its totient is φ = 28357196.

The previous prime is 42535793. The next prime is 42535811. The reversal of 42535797 is 79753524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42535797 - 2² = 42535793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535793) 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, 7089297 + ... + 7089302.

It is an arithmetic number, because the mean of its divisors is an integer number (14178600).

Almost surely, 2^42535797 is an apocalyptic number.

It is an amenable number.

42535797 is a deficient number, since it is larger than the sum of its proper divisors (14178603).

42535797 is a wasteful number, since it uses less digits than its factorization.

42535797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14178602.

The product of its digits is 264600, while the sum is 42.

The square root of 42535797 is about 6521.9473318941. The cubic root of 42535797 is about 349.0745537942.

The spelling of 42535797 in words is "forty-two million, five hundred thirty-five thousand, seven hundred ninety-seven".