6253804561 has 9 divisors (see below), whose sum is σ = 6464581929. Its totient is φ = 6049696500.

The previous prime is 6253804541. The next prime is 6253804567. The reversal of 6253804561 is 1654083526.

The square root of 6253804561 is 79081.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6253804561 - 2²¹ = 6251707409 is a prime.

It is a super-2 number, since 2×6253804561² = 78220142974368805442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6253804567) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2450236 + ... + 2452786.

It is an arithmetic number, because the mean of its divisors is an integer number (718286881).

Almost surely, 2^6253804561 is an apocalyptic number.

6253804561 is the 79081-st square number.

6253804561 is the 39541-st centered octagonal number.

It is an amenable number.

6253804561 is a deficient number, since it is larger than the sum of its proper divisors (210777368).

6253804561 is an frugal number, since it uses more digits than its factorization.

6253804561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The cubic root of 6253804561 is about 1842.3894367739.

The spelling of 6253804561 in words is "six billion, two hundred fifty-three million, eight hundred four thousand, five hundred sixty-one".