6492749 has 2 divisors, whose sum is σ = 6492750. Its totient is φ = 6492748.

The previous prime is 6492727. The next prime is 6492751. The reversal of 6492749 is 9472946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3636649 + 2856100 = 1907^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6492749 is a prime.

Together with 6492751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6492709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246374 + 3246375.

It is an arithmetic number, because the mean of its divisors is an integer number (3246375).

Almost surely, 2^6492749 is an apocalyptic number.

It is an amenable number.

6492749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6492749 is an equidigital number, since it uses as much as digits as its factorization.

6492749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 6492749 is about 2548.0873218946. The cubic root of 6492749 is about 186.5561360243.

The spelling of 6492749 in words is "six million, four hundred ninety-two thousand, seven hundred forty-nine".