652525648377 has 4 divisors (see below), whose sum is σ = 870034197840. Its totient is φ = 435017098916.

The previous prime is 652525648217. The next prime is 652525648381. The reversal of 652525648377 is 773846525256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652525648377 - 2⁸ = 652525648121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652525648377.

It is not an unprimeable number, because it can be changed into a prime (652525641377) 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, 108754274727 + ... + 108754274732.

It is an arithmetic number, because the mean of its divisors is an integer number (217508549460).

Almost surely, 2^652525648377 is an apocalyptic number.

It is an amenable number.

652525648377 is a deficient number, since it is larger than the sum of its proper divisors (217508549463).

652525648377 is a wasteful number, since it uses less digits than its factorization.

652525648377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217508549462.

The product of its digits is 84672000, while the sum is 60.

The spelling of 652525648377 in words is "six hundred fifty-two billion, five hundred twenty-five million, six hundred forty-eight thousand, three hundred seventy-seven".