7211401 has 8 divisors (see below), whose sum is σ = 7634880. Its totient is φ = 6799632.

The previous prime is 7211381. The next prime is 7211429. The reversal of 7211401 is 1041127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7211401 - 2⁷ = 7211273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7211201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645 + ... + 4138.

It is an arithmetic number, because the mean of its divisors is an integer number (954360).

Almost surely, 2^7211401 is an apocalyptic number.

It is an amenable number.

7211401 is a deficient number, since it is larger than the sum of its proper divisors (423479).

7211401 is a wasteful number, since it uses less digits than its factorization.

7211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 7211401 is about 2685.4051835803. The cubic root of 7211401 is about 193.1997448798.

Adding to 7211401 its reverse (1041127), we get a palindrome (8252528).

The spelling of 7211401 in words is "seven million, two hundred eleven thousand, four hundred one".