6520063522 has 32 divisors (see below), whose sum is σ = 11770980480. Its totient is φ = 2646017280.

The previous prime is 6520063481. The next prime is 6520063553. The reversal of 6520063522 is 2253600256.

It is a super-2 number, since 2×6520063522² = 85022456661830088968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766372 + ... + 774832.

It is an arithmetic number, because the mean of its divisors is an integer number (367843140).

Almost surely, 2^6520063522 is an apocalyptic number.

6520063522 is a deficient number, since it is larger than the sum of its proper divisors (5250916958).

6520063522 is a wasteful number, since it uses less digits than its factorization.

6520063522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 6520063522 is about 80746.9102938311. The cubic root of 6520063522 is about 1868.1737937961.

Adding to 6520063522 its reverse (2253600256), we get a palindrome (8773663778).

The spelling of 6520063522 in words is "six billion, five hundred twenty million, sixty-three thousand, five hundred twenty-two".