897314129 has 4 divisors (see below), whose sum is σ = 905255076. Its totient is φ = 889373184.

The previous prime is 897314123. The next prime is 897314141. The reversal of 897314129 is 921413798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 450076225 + 447237904 = 21215^2 + 21148^2 .

It is a cyclic number.

It is not a de Polignac number, because 897314129 - 2¹² = 897310033 is a prime.

It is a super-2 number, since 2×897314129² = 1610345292206057282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897314129.

It is not an unprimeable number, because it can be changed into a prime (897314123) 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 in 3 ways as a sum of consecutive naturals, for example, 3970304 + ... + 3970529.

It is an arithmetic number, because the mean of its divisors is an integer number (226313769).

Almost surely, 2^897314129 is an apocalyptic number.

It is an amenable number.

897314129 is a deficient number, since it is larger than the sum of its proper divisors (7940947).

897314129 is a wasteful number, since it uses less digits than its factorization.

897314129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940946.

The product of its digits is 108864, while the sum is 44.

The square root of 897314129 is about 29955.2020357066. The cubic root of 897314129 is about 964.5279905930.

The spelling of 897314129 in words is "eight hundred ninety-seven million, three hundred fourteen thousand, one hundred twenty-nine".