98150813 has 2 divisors, whose sum is σ = 98150814. Its totient is φ = 98150812.

The previous prime is 98150803. The next prime is 98150839. The reversal of 98150813 is 31805189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95785369 + 2365444 = 9787^2 + 1538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98150813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98150803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49075406 + 49075407.

It is an arithmetic number, because the mean of its divisors is an integer number (49075407).

Almost surely, 2^98150813 is an apocalyptic number.

It is an amenable number.

98150813 is a deficient number, since it is larger than the sum of its proper divisors (1).

98150813 is an equidigital number, since it uses as much as digits as its factorization.

98150813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 98150813 is about 9907.1092151041. The cubic root of 98150813 is about 461.2800092598.

The spelling of 98150813 in words is "ninety-eight million, one hundred fifty thousand, eight hundred thirteen".