6217542 has 48 divisors (see below), whose sum is σ = 14311440. Its totient is φ = 1947456.

The previous prime is 6217493. The next prime is 6217543. The reversal of 6217542 is 2457126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6217543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22308 + ... + 22584.

It is an arithmetic number, because the mean of its divisors is an integer number (298155).

Almost surely, 2^6217542 is an apocalyptic number.

It is a pronic number, being equal to 2493×2494.

It is a practical number, because each smaller number is the sum of distinct divisors of 6217542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7155720).

6217542 is an abundant number, since it is smaller than the sum of its proper divisors (8093898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6217542 is a wasteful number, since it uses less digits than its factorization.

6217542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 6217542 is about 2493.4999498697. The cubic root of 6217542 is about 183.8821512216.

The spelling of 6217542 in words is "six million, two hundred seventeen thousand, five hundred forty-two".