1565713248 has 288 divisors, whose sum is σ = 4867454592. Its totient is φ = 436531200.

The previous prime is 1565713241. The next prime is 1565713283. The reversal of 1565713248 is 8423175651.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1565713241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36411915 + ... + 36411957.

It is an arithmetic number, because the mean of its divisors is an integer number (16900884).

Almost surely, 2^1565713248 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 1565713248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433727296).

1565713248 is an abundant number, since it is smaller than the sum of its proper divisors (3301741344).

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

1565713248 is a wasteful number, since it uses less digits than its factorization.

1565713248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 129 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 1565713248 is about 39569.0946067761. The cubic root of 1565713248 is about 1161.1921078093.

Adding to 1565713248 its reverse (8423175651), we get a palindrome (9988888899).

The spelling of 1565713248 in words is "one billion, five hundred sixty-five million, seven hundred thirteen thousand, two hundred forty-eight".