6863294025 has 135 divisors (see below), whose sum is σ = 14845261431. Its totient is φ = 3125576160.

The previous prime is 6863293979. The next prime is 6863294029. The reversal of 6863294025 is 5204923686.

The square root of 6863294025 is 82845.

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

6863294025 is a `hidden beast` number, since 6 + 8 + 632 + 9 + 4 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2470785849 + 4392508176 = 49707^2 + 66276^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 6863294025 - 2⁹ = 6863293513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6863294029) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 26096044 + ... + 26096306.

Almost surely, 2^6863294025 is an apocalyptic number.

6863294025 is the 82845-th square number.

6863294025 is the 41423-rd centered octagonal number.

It is an amenable number.

6863294025 is an abundant number, since it is smaller than the sum of its proper divisors (7981967406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6863294025 is an equidigital number, since it uses as much as digits as its factorization.

6863294025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The cubic root of 6863294025 is about 1900.3964108246.

The spelling of 6863294025 in words is "six billion, eight hundred sixty-three million, two hundred ninety-four thousand, twenty-five".