506195258 has 4 divisors (see below), whose sum is σ = 759292890. Its totient is φ = 253097628.

The previous prime is 506195257. The next prime is 506195299. The reversal of 506195258 is 852591605.

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., 437520889 + 68674369 = 20917^2 + 8287^2 .

It is not an unprimeable number, because it can be changed into a prime (506195257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126548813 + ... + 126548816.

Almost surely, 2^506195258 is an apocalyptic number.

506195258 is a deficient number, since it is larger than the sum of its proper divisors (253097632).

506195258 is a wasteful number, since it uses less digits than its factorization.

506195258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253097631.

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 506195258 is about 22498.7834782239. The cubic root of 506195258 is about 796.9651989105.

The spelling of 506195258 in words is "five hundred six million, one hundred ninety-five thousand, two hundred fifty-eight".