5653243251 has 24 divisors (see below), whose sum is σ = 8341529040. Its totient is φ = 3688092096.

The previous prime is 5653243249. The next prime is 5653243273. The reversal of 5653243251 is 1523423565.

5653243251 is a `hidden beast` number, since 5 + 6 + 5 + 324 + 325 + 1 = 666.

It is not a de Polignac number, because 5653243251 - 2¹ = 5653243249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5653243051) 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, 170320 + ... + 200786.

It is an arithmetic number, because the mean of its divisors is an integer number (347563710).

Almost surely, 2^5653243251 is an apocalyptic number.

5653243251 is a deficient number, since it is larger than the sum of its proper divisors (2688285789).

5653243251 is a wasteful number, since it uses less digits than its factorization.

5653243251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30915 (or 30912 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 5653243251 is about 75188.0525815106. The cubic root of 5653243251 is about 1781.4182244962.

The spelling of 5653243251 in words is "five billion, six hundred fifty-three million, two hundred forty-three thousand, two hundred fifty-one".