2094551 has 2 divisors, whose sum is σ = 2094552. Its totient is φ = 2094550.

The previous prime is 2094523. The next prime is 2094569. The reversal of 2094551 is 1554902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2094551 - 2¹⁰ = 2093527 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2094551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2094751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047275 + 1047276.

It is an arithmetic number, because the mean of its divisors is an integer number (1047276).

2^2094551 is an apocalyptic number.

2094551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094551 is an equidigital number, since it uses as much as digits as its factorization.

2094551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2094551 is about 1447.2563698253. The cubic root of 2094551 is about 127.9470606274.

It can be divided in two parts, 209 and 4551, that multiplied together give a palindrome (951159).

The spelling of 2094551 in words is "two million, ninety-four thousand, five hundred fifty-one".