8021252601 has 12 divisors (see below), whose sum is σ = 11590423728. Its totient is φ = 5345577144.

The previous prime is 8021252581. The next prime is 8021252609. The reversal of 8021252601 is 1062521208.

It is a happy number.

8021252601 is a `hidden beast` number, since 8 + 0 + 2 + 1 + 2 + 52 + 601 = 666.

It is not a de Polignac number, because 8021252601 - 2¹⁸ = 8020990457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8021252609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133755 + ... + 184208.

It is an arithmetic number, because the mean of its divisors is an integer number (965868644).

Almost surely, 2^8021252601 is an apocalyptic number.

It is an amenable number.

8021252601 is a deficient number, since it is larger than the sum of its proper divisors (3569171127).

8021252601 is a wasteful number, since it uses less digits than its factorization.

8021252601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320772 (or 320769 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 8021252601 is about 89561.4459519273. The cubic root of 8021252601 is about 2001.7694840847.

Adding to 8021252601 its reverse (1062521208), we get a palindrome (9083773809).

The spelling of 8021252601 in words is "eight billion, twenty-one million, two hundred fifty-two thousand, six hundred one".