6470561 has 2 divisors, whose sum is σ = 6470562. Its totient is φ = 6470560.

The previous prime is 6470551. The next prime is 6470573. The reversal of 6470561 is 1650746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 516961 = 2440^2 + 719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6470561 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6470531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235280 + 3235281.

It is an arithmetic number, because the mean of its divisors is an integer number (3235281).

Almost surely, 2^6470561 is an apocalyptic number.

It is an amenable number.

6470561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6470561 is an equidigital number, since it uses as much as digits as its factorization.

6470561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 6470561 is about 2543.7297419341. The cubic root of 6470561 is about 186.3433842467.

The spelling of 6470561 in words is "six million, four hundred seventy thousand, five hundred sixty-one".