84954451 has 2 divisors, whose sum is σ = 84954452. Its totient is φ = 84954450.

The previous prime is 84954413. The next prime is 84954487. The reversal of 84954451 is 15445948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84954451 - 2¹³ = 84946259 is a prime.

It is a super-2 number, since 2×84954451² = 14434517489422802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84954851) 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, 42477225 + 42477226.

It is an arithmetic number, because the mean of its divisors is an integer number (42477226).

Almost surely, 2^84954451 is an apocalyptic number.

84954451 is a deficient number, since it is larger than the sum of its proper divisors (1).

84954451 is an equidigital number, since it uses as much as digits as its factorization.

84954451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 84954451 is about 9217.0738849160. The cubic root of 84954451 is about 439.6044154595.

The spelling of 84954451 in words is "eighty-four million, nine hundred fifty-four thousand, four hundred fifty-one".