6461255 has 4 divisors (see below), whose sum is σ = 7753512. Its totient is φ = 5169000.

The previous prime is 6461249. The next prime is 6461261. The reversal of 6461255 is 5521646.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6461249) and next prime (6461261).

It is not a de Polignac number, because 6461255 - 2¹⁰ = 6460231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646121 + ... + 646130.

It is an arithmetic number, because the mean of its divisors is an integer number (1938378).

Almost surely, 2^6461255 is an apocalyptic number.

6461255 is a deficient number, since it is larger than the sum of its proper divisors (1292257).

6461255 is a wasteful number, since it uses less digits than its factorization.

6461255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292256.

The product of its digits is 7200, while the sum is 29.

The square root of 6461255 is about 2541.8998800110. The cubic root of 6461255 is about 186.2540079915.

The spelling of 6461255 in words is "six million, four hundred sixty-one thousand, two hundred fifty-five".