6211491 has 16 divisors (see below), whose sum is σ = 9730560. Its totient is φ = 3474720.

The previous prime is 6211489. The next prime is 6211507. The reversal of 6211491 is 1941126.

It is not a de Polignac number, because 6211491 - 2¹ = 6211489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6211421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 7668.

It is an arithmetic number, because the mean of its divisors is an integer number (608160).

Almost surely, 2^6211491 is an apocalyptic number.

6211491 is a deficient number, since it is larger than the sum of its proper divisors (3519069).

6211491 is a wasteful number, since it uses less digits than its factorization.

6211491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14506.

The product of its digits is 432, while the sum is 24.

The square root of 6211491 is about 2492.2862997657. The cubic root of 6211491 is about 183.8224796210.

It can be divided in two parts, 621 and 1491, that added together give a palindrome (2112).

The spelling of 6211491 in words is "six million, two hundred eleven thousand, four hundred ninety-one".