7000000522 has 4 divisors (see below), whose sum is σ = 10500000786. Its totient is φ = 3500000260.

The previous prime is 7000000519. The next prime is 7000000537. The reversal of 7000000522 is 2250000007.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6967407841 + 32592681 = 83471^2 + 5709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7000000496 and 7000000505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750000129 + ... + 1750000132.

Almost surely, 2^7000000522 is an apocalyptic number.

7000000522 is a deficient number, since it is larger than the sum of its proper divisors (3500000264).

7000000522 is a wasteful number, since it uses less digits than its factorization.

7000000522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500000263.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 7000000522 is about 83666.0057729542. The cubic root of 7000000522 is about 1912.9312303224.

Adding to 7000000522 its reverse (2250000007), we get a palindrome (9250000529).

The spelling of 7000000522 in words is "seven billion, five hundred twenty-two", and thus it is an aban number.