6634451 has 2 divisors, whose sum is σ = 6634452. Its totient is φ = 6634450.

The previous prime is 6634447. The next prime is 6634469. The reversal of 6634451 is 1544366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6634451 - 2² = 6634447 is a prime.

It is not a weakly prime, because it can be changed into another prime (6634151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317225 + 3317226.

It is an arithmetic number, because the mean of its divisors is an integer number (3317226).

Almost surely, 2^6634451 is an apocalyptic number.

6634451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634451 is an equidigital number, since it uses as much as digits as its factorization.

6634451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 6634451 is about 2575.7428054835. The cubic root of 6634451 is about 187.9035551040.

The spelling of 6634451 in words is "six million, six hundred thirty-four thousand, four hundred fifty-one".