791245258 has 4 divisors (see below), whose sum is σ = 1186867890. Its totient is φ = 395622628.

The previous prime is 791245243. The next prime is 791245261. The reversal of 791245258 is 852542197.

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., 569920129 + 221325129 = 23873^2 + 14877^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197811313 + ... + 197811316.

Almost surely, 2^791245258 is an apocalyptic number.

791245258 is a deficient number, since it is larger than the sum of its proper divisors (395622632).

791245258 is a wasteful number, since it uses less digits than its factorization.

791245258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395622631.

The product of its digits is 201600, while the sum is 43.

The square root of 791245258 is about 28129.0820682083. The cubic root of 791245258 is about 924.9190123396.

The spelling of 791245258 in words is "seven hundred ninety-one million, two hundred forty-five thousand, two hundred fifty-eight".