6505452501 has 16 divisors (see below), whose sum is σ = 8896552704. Its totient is φ = 4226453504.

The previous prime is 6505452491. The next prime is 6505452581. The reversal of 6505452501 is 1052545056.

It is a cyclic number.

It is not a de Polignac number, because 6505452501 - 2⁵ = 6505452469 is a prime.

It is a super-3 number, since 3×6505452501³ (a number of 30 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505452581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66156 + ... + 131861.

It is an arithmetic number, because the mean of its divisors is an integer number (556034544).

Almost surely, 2^6505452501 is an apocalyptic number.

It is an amenable number.

6505452501 is a deficient number, since it is larger than the sum of its proper divisors (2391100203).

6505452501 is a wasteful number, since it uses less digits than its factorization.

6505452501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198300.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 6505452501 is about 80656.3853702855. The cubic root of 6505452501 is about 1866.7772664308. Note that the first 3 decimals are identical.

Adding to 6505452501 its reverse (1052545056), we get a palindrome (7557997557).

The spelling of 6505452501 in words is "six billion, five hundred five million, four hundred fifty-two thousand, five hundred one".