997814029 has 2 divisors, whose sum is σ = 997814030. Its totient is φ = 997814028.

The previous prime is 997814009. The next prime is 997814063. The reversal of 997814029 is 920418799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971568900 + 26245129 = 31170^2 + 5123^2 .

It is a cyclic number.

It is not a de Polignac number, because 997814029 - 2⁹ = 997813517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997814009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498907014 + 498907015.

It is an arithmetic number, because the mean of its divisors is an integer number (498907015).

Almost surely, 2^997814029 is an apocalyptic number.

It is an amenable number.

997814029 is a deficient number, since it is larger than the sum of its proper divisors (1).

997814029 is an equidigital number, since it uses as much as digits as its factorization.

997814029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 997814029 is about 31588.1944561572. The cubic root of 997814029 is about 999.2708114132.

The spelling of 997814029 in words is "nine hundred ninety-seven million, eight hundred fourteen thousand, twenty-nine".