597689242 has 4 divisors (see below), whose sum is σ = 896533866. Its totient is φ = 298844620.

The previous prime is 597689219. The next prime is 597689243. The reversal of 597689242 is 242986795.

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

It can be written as a sum of positive squares in only one way, i.e., 331640521 + 266048721 = 18211^2 + 16311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 597689242.

It is not an unprimeable number, because it can be changed into a prime (597689243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149422309 + ... + 149422312.

Almost surely, 2^597689242 is an apocalyptic number.

597689242 is a deficient number, since it is larger than the sum of its proper divisors (298844624).

597689242 is a wasteful number, since it uses less digits than its factorization.

597689242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298844623.

The product of its digits is 2177280, while the sum is 52.

The square root of 597689242 is about 24447.6837757690. The cubic root of 597689242 is about 842.3485118889.

The spelling of 597689242 in words is "five hundred ninety-seven million, six hundred eighty-nine thousand, two hundred forty-two".