6216901 has 4 divisors (see below), whose sum is σ = 6229312. Its totient is φ = 6204492.

The previous prime is 6216893. The next prime is 6216913. The reversal of 6216901 is 1096126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6216901 - 2³ = 6216893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216961) 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, 5421 + ... + 6466.

It is an arithmetic number, because the mean of its divisors is an integer number (1557328).

Almost surely, 2^6216901 is an apocalyptic number.

It is an amenable number.

6216901 is a deficient number, since it is larger than the sum of its proper divisors (12411).

6216901 is a wasteful number, since it uses less digits than its factorization.

6216901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 6216901 is about 2493.3714123652. The cubic root of 6216901 is about 183.8758318696.

It can be divided in two parts, 6216 and 901, that added together give a palindrome (7117).

The spelling of 6216901 in words is "six million, two hundred sixteen thousand, nine hundred one".