6545423253 has 8 divisors (see below), whose sum is σ = 8793851616. Its totient is φ = 4330305200.

The previous prime is 6545423239. The next prime is 6545423257. The reversal of 6545423253 is 3523245456.

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

It is a cyclic number.

It is not a de Polignac number, because 6545423253 - 2¹⁶ = 6545357717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545423257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8327118 + ... + 8327903.

It is an arithmetic number, because the mean of its divisors is an integer number (1099231452).

Almost surely, 2^6545423253 is an apocalyptic number.

It is an amenable number.

6545423253 is a deficient number, since it is larger than the sum of its proper divisors (2248428363).

6545423253 is a wasteful number, since it uses less digits than its factorization.

6545423253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16655155.

The product of its digits is 432000, while the sum is 39.

The square root of 6545423253 is about 80903.7901028129. The cubic root of 6545423253 is about 1870.5927423103.

The spelling of 6545423253 in words is "six billion, five hundred forty-five million, four hundred twenty-three thousand, two hundred fifty-three".