6465161 has 4 divisors (see below), whose sum is σ = 6574800. Its totient is φ = 6355524.

The previous prime is 6465133. The next prime is 6465163. The reversal of 6465161 is 1615646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6465161 - 2⁶ = 6465097 is a prime.

It is a super-4 number, since 4×6465161⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6465163) 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, 54731 + ... + 54848.

It is an arithmetic number, because the mean of its divisors is an integer number (1643700).

Almost surely, 2^6465161 is an apocalyptic number.

It is an amenable number.

6465161 is a deficient number, since it is larger than the sum of its proper divisors (109639).

6465161 is a wasteful number, since it uses less digits than its factorization.

6465161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109638.

The product of its digits is 4320, while the sum is 29.

The square root of 6465161 is about 2542.6680868725. The cubic root of 6465161 is about 186.2915322601.

The spelling of 6465161 in words is "six million, four hundred sixty-five thousand, one hundred sixty-one".