521427082 has 16 divisors (see below), whose sum is σ = 863527392. Its totient is φ = 234155920.

The previous prime is 521427041. The next prime is 521427121. The reversal of 521427082 is 280724125.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140953 + ... + 144604.

It is an arithmetic number, because the mean of its divisors is an integer number (53970462).

Almost surely, 2^521427082 is an apocalyptic number.

521427082 is a deficient number, since it is larger than the sum of its proper divisors (342100310).

521427082 is a wasteful number, since it uses less digits than its factorization.

521427082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285653.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 521427082 is about 22834.7779056421. Note that the first 3 decimals coincide. The cubic root of 521427082 is about 804.8801086834.

The spelling of 521427082 in words is "five hundred twenty-one million, four hundred twenty-seven thousand, eighty-two".