210079997 has 2 divisors, whose sum is σ = 210079998. Its totient is φ = 210079996.

The previous prime is 210079993. The next prime is 210080009. The reversal of 210079997 is 799970012.

210079997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180257476 + 29822521 = 13426^2 + 5461^2 .

It is a cyclic number.

It is not a de Polignac number, because 210079997 - 2² = 210079993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210079993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105039998 + 105039999.

It is an arithmetic number, because the mean of its divisors is an integer number (105039999).

Almost surely, 2^210079997 is an apocalyptic number.

It is an amenable number.

210079997 is a deficient number, since it is larger than the sum of its proper divisors (1).

210079997 is an equidigital number, since it uses as much as digits as its factorization.

210079997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 210079997 is about 14494.1366421046. The cubic root of 210079997 is about 594.4676612381.

The spelling of 210079997 in words is "two hundred ten million, seventy-nine thousand, nine hundred ninety-seven".