6536510253 has 24 divisors (see below), whose sum is σ = 11620464128. Its totient is φ = 3447829152.

The previous prime is 6536510249. The next prime is 6536510273. The reversal of 6536510253 is 3520156356.

6536510253 is a `hidden beast` number, since 65 + 36 + 510 + 2 + 53 = 666.

It is not a de Polignac number, because 6536510253 - 2² = 6536510249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536510203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3989725 + ... + 3991362.

Almost surely, 2^6536510253 is an apocalyptic number.

6536510253 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6536510253 is a deficient number, since it is larger than the sum of its proper divisors (5083953875).

6536510253 is a wasteful number, since it uses less digits than its factorization.

6536510253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981113 (or 7981110 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 6536510253 is about 80848.6873919422. The cubic root of 6536510253 is about 1869.7432853198.

The spelling of 6536510253 in words is "six billion, five hundred thirty-six million, five hundred ten thousand, two hundred fifty-three".