7215011 has 2 divisors, whose sum is σ = 7215012. Its totient is φ = 7215010.

The previous prime is 7215007. The next prime is 7215053. The reversal of 7215011 is 1105127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7215011 - 2² = 7215007 is a prime.

It is not a weakly prime, because it can be changed into another prime (7215001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607505 + 3607506.

It is an arithmetic number, because the mean of its divisors is an integer number (3607506).

Almost surely, 2^7215011 is an apocalyptic number.

7215011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7215011 is an equidigital number, since it uses as much as digits as its factorization.

7215011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 7215011 is about 2686.0772513091. The cubic root of 7215011 is about 193.2319778551.

The spelling of 7215011 in words is "seven million, two hundred fifteen thousand, eleven".