527322381 has 4 divisors (see below), whose sum is σ = 703096512. Its totient is φ = 351548252.

The previous prime is 527322377. The next prime is 527322391. The reversal of 527322381 is 183223725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 527322381 - 2² = 527322377 is a prime.

It is a super-2 number, since 2×527322381² = 556137787007018322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527322331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87887061 + ... + 87887066.

It is an arithmetic number, because the mean of its divisors is an integer number (175774128).

Almost surely, 2^527322381 is an apocalyptic number.

It is an amenable number.

527322381 is a deficient number, since it is larger than the sum of its proper divisors (175774131).

527322381 is a wasteful number, since it uses less digits than its factorization.

527322381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175774130.

The product of its digits is 20160, while the sum is 33.

The square root of 527322381 is about 22963.5010614671. The cubic root of 527322381 is about 807.9020958762.

The spelling of 527322381 in words is "five hundred twenty-seven million, three hundred twenty-two thousand, three hundred eighty-one".