6242553561 has 16 divisors (see below), whose sum is σ = 8900281728. Its totient is φ = 3878112000.

The previous prime is 6242553557. The next prime is 6242553589. The reversal of 6242553561 is 1653552426.

It is not a de Polignac number, because 6242553561 - 2² = 6242553557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6242553761) 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, 600805 + ... + 611106.

It is an arithmetic number, because the mean of its divisors is an integer number (556267608).

Almost surely, 2^6242553561 is an apocalyptic number.

It is an amenable number.

6242553561 is a deficient number, since it is larger than the sum of its proper divisors (2657728167).

6242553561 is a wasteful number, since it uses less digits than its factorization.

6242553561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212032.

The product of its digits is 216000, while the sum is 39.

The square root of 6242553561 is about 79009.8320527262. The cubic root of 6242553561 is about 1841.2839141776.

The spelling of 6242553561 in words is "six billion, two hundred forty-two million, five hundred fifty-three thousand, five hundred sixty-one".