2361649 has 2 divisors, whose sum is σ = 2361650. Its totient is φ = 2361648.

The previous prime is 2361637. The next prime is 2361701. The reversal of 2361649 is 9461632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 1140624 = 1105^2 + 1068^2 .

It is a cyclic number.

It is not a de Polignac number, because 2361649 - 2¹³ = 2353457 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 2361649.

It is not a weakly prime, because it can be changed into another prime (2361629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180824 + 1180825.

It is an arithmetic number, because the mean of its divisors is an integer number (1180825).

2^2361649 is an apocalyptic number.

It is an amenable number.

2361649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2361649 is an equidigital number, since it uses as much as digits as its factorization.

2361649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 2361649 is about 1536.7657596394. The cubic root of 2361649 is about 133.1696066730.

The spelling of 2361649 in words is "two million, three hundred sixty-one thousand, six hundred forty-nine".