527761081 has 32 divisors (see below), whose sum is σ = 600120320. Its totient is φ = 461894400.

The previous prime is 527761079. The next prime is 527761097. The reversal of 527761081 is 180167725.

It is a 4-Lehmer number, since φ(527761081) divides (527761081-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 527761081 - 2¹ = 527761079 is a prime.

It is a super-2 number, since 2×527761081² = 557063517236577122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R_527761080.

It is a self number, because there is not a number n which added to its sum of digits gives 527761081.

It is not an unprimeable number, because it can be changed into a prime (527711081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329175 + ... + 1329571.

It is an arithmetic number, because the mean of its divisors is an integer number (18753760).

It is a Poulet number, since it divides 2^527761080-1.

Almost surely, 2^527761081 is an apocalyptic number.

It is an amenable number.

527761081 is a deficient number, since it is larger than the sum of its proper divisors (72359239).

527761081 is a wasteful number, since it uses less digits than its factorization.

527761081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 527761081 is about 22973.0511904710. The cubic root of 527761081 is about 808.1260755014.

The spelling of 527761081 in words is "five hundred twenty-seven million, seven hundred sixty-one thousand, eighty-one".