84455461 has 2 divisors, whose sum is σ = 84455462. Its totient is φ = 84455460.

The previous prime is 84455419. The next prime is 84455467. The reversal of 84455461 is 16455448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 35034561 = 7030^2 + 5919^2 .

It is a cyclic number.

It is not a de Polignac number, because 84455461 - 2⁹ = 84454949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84455461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84455467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42227730 + 42227731.

It is an arithmetic number, because the mean of its divisors is an integer number (42227731).

Almost surely, 2^84455461 is an apocalyptic number.

It is an amenable number.

84455461 is a deficient number, since it is larger than the sum of its proper divisors (1).

84455461 is an equidigital number, since it uses as much as digits as its factorization.

84455461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 37.

The square root of 84455461 is about 9189.9652338842. The cubic root of 84455461 is about 438.7420353367.

The spelling of 84455461 in words is "eighty-four million, four hundred fifty-five thousand, four hundred sixty-one".