538074797 has 4 divisors (see below), whose sum is σ = 579465180. Its totient is φ = 496684416.

The previous prime is 538074793. The next prime is 538074827. The reversal of 538074797 is 797470835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 333756361 + 204318436 = 18269^2 + 14294^2 .

It is a cyclic number.

It is not a de Polignac number, because 538074797 - 2² = 538074793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538074791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20695172 + ... + 20695197.

It is an arithmetic number, because the mean of its divisors is an integer number (144866295).

Almost surely, 2^538074797 is an apocalyptic number.

It is an amenable number.

538074797 is a deficient number, since it is larger than the sum of its proper divisors (41390383).

538074797 is a wasteful number, since it uses less digits than its factorization.

538074797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41390382.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 538074797 is about 23196.4393172745. The cubic root of 538074797 is about 813.3563909786.

The spelling of 538074797 in words is "five hundred thirty-eight million, seventy-four thousand, seven hundred ninety-seven".