6472657 has 2 divisors, whose sum is σ = 6472658. Its totient is φ = 6472656.

The previous prime is 6472643. The next prime is 6472679. The reversal of 6472657 is 7562746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5308416 + 1164241 = 2304^2 + 1079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6472657 is a prime.

It is a super-3 number, since 3×6472657³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6472157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236328 + 3236329.

It is an arithmetic number, because the mean of its divisors is an integer number (3236329).

Almost surely, 2^6472657 is an apocalyptic number.

It is an amenable number.

6472657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6472657 is an equidigital number, since it uses as much as digits as its factorization.

6472657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 6472657 is about 2544.1417020284. The cubic root of 6472657 is about 186.3635027274.

The spelling of 6472657 in words is "six million, four hundred seventy-two thousand, six hundred fifty-seven".