8652661 has 2 divisors, whose sum is σ = 8652662. Its totient is φ = 8652660.

The previous prime is 8652659. The next prime is 8652697. The reversal of 8652661 is 1662568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 2047761 = 2570^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 8652661 - 2¹ = 8652659 is a prime.

Together with 8652659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8652601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4326330 + 4326331.

It is an arithmetic number, because the mean of its divisors is an integer number (4326331).

Almost surely, 2^8652661 is an apocalyptic number.

It is an amenable number.

8652661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8652661 is an equidigital number, since it uses as much as digits as its factorization.

8652661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 8652661 is about 2941.5405827559. The cubic root of 8652661 is about 205.2972961883.

The spelling of 8652661 in words is "eight million, six hundred fifty-two thousand, six hundred sixty-one".