881597 has 2 divisors, whose sum is σ = 881598. Its totient is φ = 881596.

The previous prime is 881591. The next prime is 881611. The reversal of 881597 is 795188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 383161 = 706^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 881597 - 2⁶ = 881533 is a prime.

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 881597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440798 + 440799.

It is an arithmetic number, because the mean of its divisors is an integer number (440799).

2⁸⁸¹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

881597 is a deficient number, since it is larger than the sum of its proper divisors (1).

881597 is an equidigital number, since it uses as much as digits as its factorization.

881597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The square root of 881597 is about 938.9339699894. The cubic root of 881597 is about 95.8863310303.

The spelling of 881597 in words is "eight hundred eighty-one thousand, five hundred ninety-seven".