2940551 has 2 divisors, whose sum is σ = 2940552. Its totient is φ = 2940550.

The previous prime is 2940523. The next prime is 2940559. The reversal of 2940551 is 1550492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2940551 - 2¹⁴ = 2924167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2940551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470275 + 1470276.

It is an arithmetic number, because the mean of its divisors is an integer number (1470276).

2^2940551 is an apocalyptic number.

2940551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940551 is an equidigital number, since it uses as much as digits as its factorization.

2940551 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 2940551 is about 1714.8034872836. The cubic root of 2940551 is about 143.2659240745.

The spelling of 2940551 in words is "two million, nine hundred forty thousand, five hundred fifty-one".