998527 has 2 divisors, whose sum is σ = 998528. Its totient is φ = 998526.

The previous prime is 998513. The next prime is 998537. The reversal of 998527 is 725899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998527 - 2⁷ = 998399 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 998527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499263 + 499264.

It is an arithmetic number, because the mean of its divisors is an integer number (499264).

2⁹⁹⁸⁵²⁷ is an apocalyptic number.

998527 is a deficient number, since it is larger than the sum of its proper divisors (1).

998527 is an equidigital number, since it uses as much as digits as its factorization.

998527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 998527 is about 999.2632285839. The cubic root of 998527 is about 99.9508758722.

The spelling of 998527 in words is "nine hundred ninety-eight thousand, five hundred twenty-seven".