897903143 has 2 divisors, whose sum is σ = 897903144. Its totient is φ = 897903142.

The previous prime is 897903119. The next prime is 897903179. The reversal of 897903143 is 341309798.

It is a happy number.

897903143 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 is a cyclic number.

It is not a de Polignac number, because 897903143 - 2¹⁸ = 897640999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897903094 and 897903103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897906143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448951571 + 448951572.

It is an arithmetic number, because the mean of its divisors is an integer number (448951572).

Almost surely, 2^897903143 is an apocalyptic number.

897903143 is a deficient number, since it is larger than the sum of its proper divisors (1).

897903143 is an equidigital number, since it uses as much as digits as its factorization.

897903143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 897903143 is about 29965.0320039876. The cubic root of 897903143 is about 964.7389892494.

The spelling of 897903143 in words is "eight hundred ninety-seven million, nine hundred three thousand, one hundred forty-three".