2461649 has 2 divisors, whose sum is σ = 2461650. Its totient is φ = 2461648.

The previous prime is 2461643. The next prime is 2461703. The reversal of 2461649 is 9461642.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 3025 = 1568^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 2461649 - 2¹⁶ = 2396113 is a prime.

It is not a weakly prime, because it can be changed into another prime (2461643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230824 + 1230825.

It is an arithmetic number, because the mean of its divisors is an integer number (1230825).

2^2461649 is an apocalyptic number.

It is an amenable number.

2461649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461649 is an equidigital number, since it uses as much as digits as its factorization.

2461649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 2461649 is about 1568.9643080708. The cubic root of 2461649 is about 135.0232973053.

The spelling of 2461649 in words is "two million, four hundred sixty-one thousand, six hundred forty-nine".