900971 has 2 divisors, whose sum is σ = 900972. Its totient is φ = 900970.

The previous prime is 900959. The next prime is 900973. The reversal of 900971 is 179009.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900971 is a prime.

Together with 900973, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900971.

It is not a weakly prime, because it can be changed into another prime (900973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450485 + 450486.

It is an arithmetic number, because the mean of its divisors is an integer number (450486).

2⁹⁰⁰⁹⁷¹ is an apocalyptic number.

900971 is a deficient number, since it is larger than the sum of its proper divisors (1).

900971 is an equidigital number, since it uses as much as digits as its factorization.

900971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 900971 is about 949.1949220260. The cubic root of 900971 is about 96.5836478400.

The spelling of 900971 in words is "nine hundred thousand, nine hundred seventy-one".