6492161 has 4 divisors (see below), whose sum is σ = 6991572. Its totient is φ = 5992752.

The previous prime is 6492139. The next prime is 6492163. The reversal of 6492161 is 1612946.

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 4227136 + 2265025 = 2056^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 6492161 - 2¹⁰ = 6491137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6492163) 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, 249686 + ... + 249711.

It is an arithmetic number, because the mean of its divisors is an integer number (1747893).

It is a Proth number, since it is equal to 1585 ⋅ 2¹² + 1 and 1585 < 2¹².

Almost surely, 2^6492161 is an apocalyptic number.

It is an amenable number.

6492161 is a deficient number, since it is larger than the sum of its proper divisors (499411).

6492161 is a wasteful number, since it uses less digits than its factorization.

6492161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499410.

The product of its digits is 2592, while the sum is 29.

The square root of 6492161 is about 2547.9719386210. The cubic root of 6492161 is about 186.5505041870.

The spelling of 6492161 in words is "six million, four hundred ninety-two thousand, one hundred sixty-one".