84560101 has 2 divisors, whose sum is σ = 84560102. Its totient is φ = 84560100.

The previous prime is 84559991. The next prime is 84560131. The reversal of 84560101 is 10106548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 8259876 = 8735^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 84560101 - 2¹¹ = 84558053 is a prime.

It is a super-2 number, since 2×84560101² = 14300821362260402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84560131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42280050 + 42280051.

It is an arithmetic number, because the mean of its divisors is an integer number (42280051).

Almost surely, 2^84560101 is an apocalyptic number.

It is an amenable number.

84560101 is a deficient number, since it is larger than the sum of its proper divisors (1).

84560101 is an equidigital number, since it uses as much as digits as its factorization.

84560101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 84560101 is about 9195.6566377829. The cubic root of 84560101 is about 438.9231604659.

Adding to 84560101 its reverse (10106548), we get a palindrome (94666649).

The spelling of 84560101 in words is "eighty-four million, five hundred sixty thousand, one hundred one".