2961787 has 2 divisors, whose sum is σ = 2961788. Its totient is φ = 2961786.

The previous prime is 2961781. The next prime is 2961809. The reversal of 2961787 is 7871692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2961787 - 2⁷ = 2961659 is a prime.

2961787 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2961781) 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, 1480893 + 1480894.

It is an arithmetic number, because the mean of its divisors is an integer number (1480894).

2^2961787 is an apocalyptic number.

2961787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961787 is an equidigital number, since it uses as much as digits as its factorization.

2961787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 2961787 is about 1720.9843113753. The cubic root of 2961787 is about 143.6099753056.

It can be divided in two parts, 29 and 61787, that added together give a palindrome (61816).

The spelling of 2961787 in words is "two million, nine hundred sixty-one thousand, seven hundred eighty-seven".