6275991 has 4 divisors (see below), whose sum is σ = 8367992. Its totient is φ = 4183992.

The previous prime is 6275953. The next prime is 6275999. The reversal of 6275991 is 1995726.

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

It is not a de Polignac number, because 6275991 - 2²² = 2081687 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6275999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045996 + ... + 1046001.

It is an arithmetic number, because the mean of its divisors is an integer number (2091998).

Almost surely, 2^6275991 is an apocalyptic number.

6275991 is a deficient number, since it is larger than the sum of its proper divisors (2092001).

6275991 is a wasteful number, since it uses less digits than its factorization.

6275991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092000.

The product of its digits is 34020, while the sum is 39.

The square root of 6275991 is about 2505.1928069512. The cubic root of 6275991 is about 184.4565595688.

The spelling of 6275991 in words is "six million, two hundred seventy-five thousand, nine hundred ninety-one".