2945401 has 2 divisors, whose sum is σ = 2945402. Its totient is φ = 2945400.

The previous prime is 2945381. The next prime is 2945407. The reversal of 2945401 is 1045492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2637376 + 308025 = 1624^2 + 555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2945407) 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, 1472700 + 1472701.

It is an arithmetic number, because the mean of its divisors is an integer number (1472701).

2^2945401 is an apocalyptic number.

It is an amenable number.

2945401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945401 is an equidigital number, since it uses as much as digits as its factorization.

2945401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2945401 is about 1716.2170608638. The cubic root of 2945401 is about 143.3446460634.

The spelling of 2945401 in words is "two million, nine hundred forty-five thousand, four hundred one".