6510240061 has 8 divisors (see below), whose sum is σ = 7016980824. Its totient is φ = 6004349760.

The previous prime is 6510240019. The next prime is 6510240071. The reversal of 6510240061 is 1600420156.

It can be written as a sum of positive squares in 4 ways, for example, as 561974436 + 5948265625 = 23706^2 + 77125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6510240061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6510240071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196666 + ... + 227371.

It is an arithmetic number, because the mean of its divisors is an integer number (877122603).

Almost surely, 2^6510240061 is an apocalyptic number.

It is an amenable number.

6510240061 is a deficient number, since it is larger than the sum of its proper divisors (506740763).

6510240061 is a wasteful number, since it uses less digits than its factorization.

6510240061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425231.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6510240061 is about 80686.0586532767. The cubic root of 6510240061 is about 1867.2350934947.

The spelling of 6510240061 in words is "six billion, five hundred ten million, two hundred forty thousand, sixty-one".