526265978 has 12 divisors (see below), whose sum is σ = 918280602. Its totient is φ = 225542520.

The previous prime is 526265977. The next prime is 526265983. The reversal of 526265978 is 879562625.

It can be written as a sum of positive squares in only one way, i.e., 514064929 + 12201049 = 22673^2 + 3493^2 .

It is not an unprimeable number, because it can be changed into a prime (526265977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2684933 + ... + 2685128.

Almost surely, 2^526265978 is an apocalyptic number.

526265978 is a deficient number, since it is larger than the sum of its proper divisors (392014624).

526265978 is a wasteful number, since it uses less digits than its factorization.

526265978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370077 (or 5370070 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 526265978 is about 22940.4877454687. The cubic root of 526265978 is about 807.3622358890.

The spelling of 526265978 in words is "five hundred twenty-six million, two hundred sixty-five thousand, nine hundred seventy-eight".