84951953 has 2 divisors, whose sum is σ = 84951954. Its totient is φ = 84951952.

The previous prime is 84951947. The next prime is 84951967. The reversal of 84951953 is 35915948.

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., 72114064 + 12837889 = 8492^2 + 3583^2 .

It is a cyclic number.

It is not a de Polignac number, because 84951953 - 2¹² = 84947857 is a prime.

It is not a weakly prime, because it can be changed into another prime (84951553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42475976 + 42475977.

It is an arithmetic number, because the mean of its divisors is an integer number (42475977).

Almost surely, 2^84951953 is an apocalyptic number.

It is an amenable number.

84951953 is a deficient number, since it is larger than the sum of its proper divisors (1).

84951953 is an equidigital number, since it uses as much as digits as its factorization.

84951953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 84951953 is about 9216.9383745363. The cubic root of 84951953 is about 439.6001067091.

The spelling of 84951953 in words is "eighty-four million, nine hundred fifty-one thousand, nine hundred fifty-three".