848142521 has 2 divisors, whose sum is σ = 848142522. Its totient is φ = 848142520.

The previous prime is 848142511. The next prime is 848142541. The reversal of 848142521 is 125241848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804516496 + 43626025 = 28364^2 + 6605^2 .

It is a cyclic number.

It is not a de Polignac number, because 848142521 - 2¹⁴ = 848126137 is a prime.

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 (848142511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424071260 + 424071261.

It is an arithmetic number, because the mean of its divisors is an integer number (424071261).

Almost surely, 2^848142521 is an apocalyptic number.

It is an amenable number.

848142521 is a deficient number, since it is larger than the sum of its proper divisors (1).

848142521 is an equidigital number, since it uses as much as digits as its factorization.

848142521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 35.

The square root of 848142521 is about 29122.8865499284. The cubic root of 848142521 is about 946.5777218529.

The spelling of 848142521 in words is "eight hundred forty-eight million, one hundred forty-two thousand, five hundred twenty-one".