8521835051 has 4 divisors (see below), whose sum is σ = 8523803400. Its totient is φ = 8519866704.

The previous prime is 8521835029. The next prime is 8521835071. The reversal of 8521835051 is 1505381258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8521835051 - 2¹⁸ = 8521572907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8521834996 and 8521835014.

It is not an unprimeable number, because it can be changed into a prime (8521835011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977666 + ... + 986343.

It is an arithmetic number, because the mean of its divisors is an integer number (2130950850).

Almost surely, 2^8521835051 is an apocalyptic number.

8521835051 is a deficient number, since it is larger than the sum of its proper divisors (1968349).

8521835051 is a wasteful number, since it uses less digits than its factorization.

8521835051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968348.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 8521835051 is about 92313.7858123043. The cubic root of 8521835051 is about 2042.5735694289.

The spelling of 8521835051 in words is "eight billion, five hundred twenty-one million, eight hundred thirty-five thousand, fifty-one".