8212554513 has 6 divisors (see below), whose sum is σ = 11862578754. Its totient is φ = 5475036336.

The previous prime is 8212554499. The next prime is 8212554523. The reversal of 8212554513 is 3154552128.

8212554513 is a `hidden beast` number, since 82 + 1 + 25 + 545 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4592366289 + 3620188224 = 67767^2 + 60168^2 .

It is not a de Polignac number, because 8212554513 - 2⁵ = 8212554481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8212554523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456253020 + ... + 456253037.

It is an arithmetic number, because the mean of its divisors is an integer number (1977096459).

Almost surely, 2^8212554513 is an apocalyptic number.

It is an amenable number.

8212554513 is a deficient number, since it is larger than the sum of its proper divisors (3650024241).

8212554513 is a wasteful number, since it uses less digits than its factorization.

8212554513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912506063 (or 912506060 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 8212554513 is about 90623.1455699922. The cubic root of 8212554513 is about 2017.5582784214.

The spelling of 8212554513 in words is "eight billion, two hundred twelve million, five hundred fifty-four thousand, five hundred thirteen".