6261655 has 4 divisors (see below), whose sum is σ = 7513992. Its totient is φ = 5009320.

The previous prime is 6261649. The next prime is 6261677. The reversal of 6261655 is 5561626.

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

It is not a de Polignac number, because 6261655 - 2⁵ = 6261623 is a prime.

It is a Duffinian number.

6261655 is a lucky 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, 626161 + ... + 626170.

It is an arithmetic number, because the mean of its divisors is an integer number (1878498).

Almost surely, 2^6261655 is an apocalyptic number.

6261655 is a deficient number, since it is larger than the sum of its proper divisors (1252337).

6261655 is a wasteful number, since it uses less digits than its factorization.

6261655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252336.

The product of its digits is 10800, while the sum is 31.

The square root of 6261655 is about 2502.3299142999. The cubic root of 6261655 is about 184.3160035316.

The spelling of 6261655 in words is "six million, two hundred sixty-one thousand, six hundred fifty-five".