652617671 has 2 divisors, whose sum is σ = 652617672. Its totient is φ = 652617670.

The previous prime is 652617659. The next prime is 652617677. The reversal of 652617671 is 176716256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652617671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652617677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326308835 + 326308836.

It is an arithmetic number, because the mean of its divisors is an integer number (326308836).

Almost surely, 2^652617671 is an apocalyptic number.

652617671 is a deficient number, since it is larger than the sum of its proper divisors (1).

652617671 is an equidigital number, since it uses as much as digits as its factorization.

652617671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 652617671 is about 25546.3827380708. The cubic root of 652617671 is about 867.4003832161.

The spelling of 652617671 in words is "six hundred fifty-two million, six hundred seventeen thousand, six hundred seventy-one".