6461500 has 24 divisors (see below), whose sum is σ = 14113008. Its totient is φ = 2584400.

The previous prime is 6461471. The next prime is 6461509. The reversal of 6461500 is 51646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461509) 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, 5962 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (588042).

Almost surely, 2^6461500 is an apocalyptic number.

It is an amenable number.

6461500 is an abundant number, since it is smaller than the sum of its proper divisors (7651508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6461500 is a wasteful number, since it uses less digits than its factorization.

6461500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942 (or 12930 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6461500 is about 2541.9480718536. The cubic root of 6461500 is about 186.2563621087.

The spelling of 6461500 in words is "six million, four hundred sixty-one thousand, five hundred".