6454649 has 2 divisors, whose sum is σ = 6454650. Its totient is φ = 6454648.

The previous prime is 6454639. The next prime is 6454663. The reversal of 6454649 is 9464546.

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., 4129024 + 2325625 = 2032^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 6454649 - 2⁴ = 6454633 is a prime.

It is not a weakly prime, because it can be changed into another prime (6454619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227324 + 3227325.

It is an arithmetic number, because the mean of its divisors is an integer number (3227325).

Almost surely, 2^6454649 is an apocalyptic number.

It is an amenable number.

6454649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454649 is an equidigital number, since it uses as much as digits as its factorization.

6454649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 6454649 is about 2540.6001259545. The cubic root of 6454649 is about 186.1905108569.

The spelling of 6454649 in words is "six million, four hundred fifty-four thousand, six hundred forty-nine".