7214001997 has 2 divisors, whose sum is σ = 7214001998. Its totient is φ = 7214001996.

The previous prime is 7214001943. The next prime is 7214002001. The reversal of 7214001997 is 7991004127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6898797481 + 315204516 = 83059^2 + 17754^2 .

It is a cyclic number.

It is not a de Polignac number, because 7214001997 - 2⁷ = 7214001869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7214001797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607000998 + 3607000999.

It is an arithmetic number, because the mean of its divisors is an integer number (3607000999).

Almost surely, 2^7214001997 is an apocalyptic number.

It is an amenable number.

7214001997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214001997 is an equidigital number, since it uses as much as digits as its factorization.

7214001997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 7214001997 is about 84935.2812263549. The cubic root of 7214001997 is about 1932.2296974984.

The spelling of 7214001997 in words is "seven billion, two hundred fourteen million, one thousand, nine hundred ninety-seven".