8254053621 has 48 divisors (see below), whose sum is σ = 13343121792. Its totient is φ = 4873305600.

The previous prime is 8254053601. The next prime is 8254053623. The reversal of 8254053621 is 1263504528.

8254053621 is a `hidden beast` number, since 8 + 2 + 540 + 53 + 62 + 1 = 666.

It is not a de Polignac number, because 8254053621 - 2⁶ = 8254053557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8254053623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4313761 + ... + 4315673.

It is an arithmetic number, because the mean of its divisors is an integer number (277981704).

Almost surely, 2^8254053621 is an apocalyptic number.

It is an amenable number.

8254053621 is a deficient number, since it is larger than the sum of its proper divisors (5089068171).

8254053621 is a wasteful number, since it uses less digits than its factorization.

8254053621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 8254053621 is about 90851.8223317507. The cubic root of 8254053621 is about 2020.9508986568.

It can be divided in two parts, 82540 and 53621, that added together give a square (136161 = 369²).

The spelling of 8254053621 in words is "eight billion, two hundred fifty-four million, fifty-three thousand, six hundred twenty-one".