6450629 has 2 divisors, whose sum is σ = 6450630. Its totient is φ = 6450628.

The previous prime is 6450611. The next prime is 6450637. The reversal of 6450629 is 9260546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 49729 = 2530^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 6450629 - 2¹² = 6446533 is a prime.

It is a super-2 number, since 2×6450629² = 83221228991282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6450595 and 6450604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6450679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225314 + 3225315.

It is an arithmetic number, because the mean of its divisors is an integer number (3225315).

Almost surely, 2^6450629 is an apocalyptic number.

It is an amenable number.

6450629 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450629 is an equidigital number, since it uses as much as digits as its factorization.

6450629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6450629 is about 2539.8088510752. The cubic root of 6450629 is about 186.1518492506.

The spelling of 6450629 in words is "six million, four hundred fifty thousand, six hundred twenty-nine".