6461961 has 8 divisors (see below), whose sum is σ = 9399264. Its totient is φ = 3916320.

The previous prime is 6461953. The next prime is 6461999. The reversal of 6461961 is 1691646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6461961 - 2³ = 6461953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 195817 = 6461961 / (6 + 4 + 6 + 1 + 9 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (6461941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97876 + ... + 97941.

It is an arithmetic number, because the mean of its divisors is an integer number (1174908).

Almost surely, 2^6461961 is an apocalyptic number.

It is an amenable number.

6461961 is a deficient number, since it is larger than the sum of its proper divisors (2937303).

6461961 is a wasteful number, since it uses less digits than its factorization.

6461961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195831.

The product of its digits is 7776, while the sum is 33.

The square root of 6461961 is about 2542.0387487212. The cubic root of 6461961 is about 186.2607915312.

The spelling of 6461961 in words is "six million, four hundred sixty-one thousand, nine hundred sixty-one".