98566031 has 2 divisors, whose sum is σ = 98566032. Its totient is φ = 98566030.

The previous prime is 98566021. The next prime is 98566043. The reversal of 98566031 is 13066589.

It is a weak prime.

It is an emirp because it is prime and its reverse (13066589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98566031 - 2⁶ = 98565967 is a prime.

It is a super-2 number, since 2×98566031² = 19430524934185922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98566021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49283015 + 49283016.

It is an arithmetic number, because the mean of its divisors is an integer number (49283016).

Almost surely, 2^98566031 is an apocalyptic number.

98566031 is a deficient number, since it is larger than the sum of its proper divisors (1).

98566031 is an equidigital number, since it uses as much as digits as its factorization.

98566031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 98566031 is about 9928.0426570397. The cubic root of 98566031 is about 461.9295617330.

The spelling of 98566031 in words is "ninety-eight million, five hundred sixty-six thousand, thirty-one".