6261564 has 48 divisors (see below), whose sum is σ = 15926400. Its totient is φ = 1907136.

The previous prime is 6261557. The next prime is 6261571. The reversal of 6261564 is 4651626.

It is an interprime number because it is at equal distance from previous prime (6261557) and next prime (6261571).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6139 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (331800).

Almost surely, 2^6261564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6261564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7963200).

6261564 is an abundant number, since it is smaller than the sum of its proper divisors (9664836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6261564 is a wasteful number, since it uses less digits than its factorization.

6261564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6261564 is about 2502.3117311798. The cubic root of 6261564 is about 184.3151106453.

The spelling of 6261564 in words is "six million, two hundred sixty-one thousand, five hundred sixty-four".