652325878417 has 2 divisors, whose sum is σ = 652325878418. Its totient is φ = 652325878416.

The previous prime is 652325878301. The next prime is 652325878433. The reversal of 652325878417 is 714878523256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349947966096 + 302377912321 = 591564^2 + 549889^2 .

It is a cyclic number.

It is not a de Polignac number, because 652325878417 - 2¹⁵ = 652325845649 is a prime.

It is not a weakly prime, because it can be changed into another prime (652325878117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326162939208 + 326162939209.

It is an arithmetic number, because the mean of its divisors is an integer number (326162939209).

Almost surely, 2^652325878417 is an apocalyptic number.

It is an amenable number.

652325878417 is a deficient number, since it is larger than the sum of its proper divisors (1).

652325878417 is an equidigital number, since it uses as much as digits as its factorization.

652325878417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22579200, while the sum is 58.

The spelling of 652325878417 in words is "six hundred fifty-two billion, three hundred twenty-five million, eight hundred seventy-eight thousand, four hundred seventeen".