6522530138 has 8 divisors (see below), whose sum is σ = 10099401600. Its totient is φ = 3156062940.

The previous prime is 6522530137. The next prime is 6522530143. The reversal of 6522530138 is 8310352256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6522530138² = 85086798802236598088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6522530098 and 6522530107.

It is not an unprimeable number, because it can be changed into a prime (6522530137) 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, 52600988 + ... + 52601111.

It is an arithmetic number, because the mean of its divisors is an integer number (1262425200).

Almost surely, 2^6522530138 is an apocalyptic number.

6522530138 is a deficient number, since it is larger than the sum of its proper divisors (3576871462).

6522530138 is a wasteful number, since it uses less digits than its factorization.

6522530138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105202132.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6522530138 is about 80762.1825980452. The cubic root of 6522530138 is about 1868.4093480655.

The spelling of 6522530138 in words is "six billion, five hundred twenty-two million, five hundred thirty thousand, one hundred thirty-eight".