653247712 has 96 divisors (see below), whose sum is σ = 1488279744. Its totient is φ = 279552000.

The previous prime is 653247697. The next prime is 653247713. The reversal of 653247712 is 217742356.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653247713) 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, 501462 + ... + 502762.

It is an arithmetic number, because the mean of its divisors is an integer number (15502914).

Almost surely, 2^653247712 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 653247712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744139872).

653247712 is an abundant number, since it is smaller than the sum of its proper divisors (835032032).

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

653247712 is a wasteful number, since it uses less digits than its factorization.

653247712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1404 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 653247712 is about 25558.7110786127. The cubic root of 653247712 is about 867.6794246106.

The spelling of 653247712 in words is "six hundred fifty-three million, two hundred forty-seven thousand, seven hundred twelve".