527742881 has 2 divisors, whose sum is σ = 527742882. Its totient is φ = 527742880.

The previous prime is 527742869. The next prime is 527742923. The reversal of 527742881 is 188247725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432016225 + 95726656 = 20785^2 + 9784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-527742881 is a prime.

It is a super-2 number, since 2×527742881² = 557025096892360322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (527742821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263871440 + 263871441.

It is an arithmetic number, because the mean of its divisors is an integer number (263871441).

Almost surely, 2^527742881 is an apocalyptic number.

It is an amenable number.

527742881 is a deficient number, since it is larger than the sum of its proper divisors (1).

527742881 is an equidigital number, since it uses as much as digits as its factorization.

527742881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 527742881 is about 22972.6550707575. The cubic root of 527742881 is about 808.1167859042.

It can be divided in two parts, 52774 and 2881, that added together give a palindrome (55655).

The spelling of 527742881 in words is "five hundred twenty-seven million, seven hundred forty-two thousand, eight hundred eighty-one".