2961901 has 2 divisors, whose sum is σ = 2961902. Its totient is φ = 2961900.

The previous prime is 2961899. The next prime is 2961923. The reversal of 2961901 is 1091692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2399401 + 562500 = 1549^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961901 - 2¹ = 2961899 is a prime.

Together with 2961899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2961901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961991) 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, 1480950 + 1480951.

It is an arithmetic number, because the mean of its divisors is an integer number (1480951).

2^2961901 is an apocalyptic number.

It is an amenable number.

2961901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961901 is an equidigital number, since it uses as much as digits as its factorization.

2961901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2961901 is about 1721.0174316375. The cubic root of 2961901 is about 143.6118178111.

It can be divided in two parts, 296 and 1901, that added together give a cube (2197 = 13³).

The spelling of 2961901 in words is "two million, nine hundred sixty-one thousand, nine hundred one".