84952661 has 2 divisors, whose sum is σ = 84952662. Its totient is φ = 84952660.

The previous prime is 84952657. The next prime is 84952691. The reversal of 84952661 is 16625948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 25816561 = 7690^2 + 5081^2 .

It is a cyclic number.

It is not a de Polignac number, because 84952661 - 2² = 84952657 is a prime.

It is a super-2 number, since 2×84952661² = 14433909221961842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84952691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42476330 + 42476331.

It is an arithmetic number, because the mean of its divisors is an integer number (42476331).

Almost surely, 2^84952661 is an apocalyptic number.

It is an amenable number.

84952661 is a deficient number, since it is larger than the sum of its proper divisors (1).

84952661 is an equidigital number, since it uses as much as digits as its factorization.

84952661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 84952661 is about 9216.9767820040. The cubic root of 84952661 is about 439.6013279327.

The spelling of 84952661 in words is "eighty-four million, nine hundred fifty-two thousand, six hundred sixty-one".