6501261 has 12 divisors (see below), whose sum is σ = 9387168. Its totient is φ = 4000464.

The previous prime is 6501251. The next prime is 6501263. The reversal of 6501261 is 1621056.

It is a happy number.

It is not a de Polignac number, because 6501261 - 2²² = 2306957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5905 + ... + 6918.

It is an arithmetic number, because the mean of its divisors is an integer number (782264).

Almost surely, 2^6501261 is an apocalyptic number.

It is an amenable number.

6501261 is a deficient number, since it is larger than the sum of its proper divisors (2885907).

6501261 is a wasteful number, since it uses less digits than its factorization.

6501261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852 (or 12839 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 6501261 is about 2549.7570472498. The cubic root of 6501261 is about 186.6376255133.

The spelling of 6501261 in words is "six million, five hundred one thousand, two hundred sixty-one".