6525961 has 4 divisors (see below), whose sum is σ = 7027972. Its totient is φ = 6023952.

The previous prime is 6525947. The next prime is 6525971. The reversal of 6525961 is 1695256.

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 2 ways, for example, as 1838736 + 4687225 = 1356^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 6525961 - 2¹⁹ = 6001673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6525901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250986 + ... + 251011.

It is an arithmetic number, because the mean of its divisors is an integer number (1756993).

Almost surely, 2^6525961 is an apocalyptic number.

It is an amenable number.

6525961 is a deficient number, since it is larger than the sum of its proper divisors (502011).

6525961 is a wasteful number, since it uses less digits than its factorization.

6525961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502010.

The product of its digits is 16200, while the sum is 34.

The square root of 6525961 is about 2554.5960541737. The cubic root of 6525961 is about 186.8736886147.

The spelling of 6525961 in words is "six million, five hundred twenty-five thousand, nine hundred sixty-one".