6682245025 has 9 divisors (see below), whose sum is σ = 8286490681. Its totient is φ = 5345469040.

The previous prime is 6682245023. The next prime is 6682245049. The reversal of 6682245025 is 5205422866.

The square root of 6682245025 is 81745.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1621914529 + 5060330496 = 40273^2 + 71136^2 .

It is not a de Polignac number, because 6682245025 - 2¹ = 6682245023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6682245023) 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, 400551 + ... + 416899.

Almost surely, 2^6682245025 is an apocalyptic number.

6682245025 is the 81745-th square number.

6682245025 is the 40873-rd centered octagonal number.

It is an amenable number.

6682245025 is a deficient number, since it is larger than the sum of its proper divisors (1604245656).

6682245025 is an frugal number, since it uses more digits than its factorization.

6682245025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32708 (or 16354 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The cubic root of 6682245025 is about 1883.5368970106.

The spelling of 6682245025 in words is "six billion, six hundred eighty-two million, two hundred forty-five thousand, twenty-five".