6511683025 has 9 divisors (see below), whose sum is σ = 8074987291. Its totient is φ = 5209023640.

The previous prime is 6511682951. The next prime is 6511683029. The reversal of 6511683025 is 5203861156.

The square root of 6511683025 is 80695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2344205889 + 4167477136 = 48417^2 + 64556^2 .

It is not a de Polignac number, because 6511683025 - 2²⁵ = 6478128593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6511683029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 395406 + ... + 411544.

Almost surely, 2^6511683025 is an apocalyptic number.

6511683025 is the 80695-th square number.

6511683025 is the 40348-th centered octagonal number.

It is an amenable number.

6511683025 is a deficient number, since it is larger than the sum of its proper divisors (1563304266).

6511683025 is an frugal number, since it uses more digits than its factorization.

6511683025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32288 (or 16144 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The cubic root of 6511683025 is about 1867.3730379205.

The spelling of 6511683025 in words is "six billion, five hundred eleven million, six hundred eighty-three thousand, twenty-five".