6460997 has 4 divisors (see below), whose sum is σ = 6683820. Its totient is φ = 6238176.

The previous prime is 6460967. The next prime is 6461017. The reversal of 6460997 is 7990646.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5541316 + 919681 = 2354^2 + 959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6460997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6460967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111368 + ... + 111425.

It is an arithmetic number, because the mean of its divisors is an integer number (1670955).

Almost surely, 2^6460997 is an apocalyptic number.

It is an amenable number.

6460997 is a deficient number, since it is larger than the sum of its proper divisors (222823).

6460997 is a wasteful number, since it uses less digits than its factorization.

6460997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222822.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 6460997 is about 2541.8491300626. The cubic root of 6460997 is about 186.2515288976.

The spelling of 6460997 in words is "six million, four hundred sixty thousand, nine hundred ninety-seven".