652948032481 has 4 divisors (see below), whose sum is σ = 691356740292. Its totient is φ = 614539324672.

The previous prime is 652948032439. The next prime is 652948032487. The reversal of 652948032481 is 184230849256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 563017619025 + 89930413456 = 750345^2 + 299884^2 .

It is a cyclic number.

It is not a de Polignac number, because 652948032481 - 2¹¹ = 652948030433 is a prime.

It is a super-2 number, since 2×652948032481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652948032487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19204353880 + ... + 19204353913.

It is an arithmetic number, because the mean of its divisors is an integer number (172839185073).

Almost surely, 2^652948032481 is an apocalyptic number.

It is an amenable number.

652948032481 is a deficient number, since it is larger than the sum of its proper divisors (38408707811).

652948032481 is a wasteful number, since it uses less digits than its factorization.

652948032481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38408707810.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 652948032481 in words is "six hundred fifty-two billion, nine hundred forty-eight million, thirty-two thousand, four hundred eighty-one".