527801993 has 2 divisors, whose sum is σ = 527801994. Its totient is φ = 527801992.

The previous prime is 527801983. The next prime is 527802029. The reversal of 527801993 is 399108725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 527758729 + 43264 = 22973^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 527801993 - 2⁴ = 527801977 is a prime.

It is not a weakly prime, because it can be changed into another prime (527801903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263900996 + 263900997.

It is an arithmetic number, because the mean of its divisors is an integer number (263900997).

Almost surely, 2^527801993 is an apocalyptic number.

It is an amenable number.

527801993 is a deficient number, since it is larger than the sum of its proper divisors (1).

527801993 is an equidigital number, since it uses as much as digits as its factorization.

527801993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 527801993 is about 22973.9416078304. The cubic root of 527801993 is about 808.1469569197.

The spelling of 527801993 in words is "five hundred twenty-seven million, eight hundred one thousand, nine hundred ninety-three".