98514781 has 2 divisors, whose sum is σ = 98514782. Its totient is φ = 98514780.

The previous prime is 98514761. The next prime is 98514797. The reversal of 98514781 is 18741589.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86025625 + 12489156 = 9275^2 + 3534^2 .

It is a cyclic number.

It is not a de Polignac number, because 98514781 - 2¹³ = 98506589 is a prime.

It is a super-2 number, since 2×98514781² = 19410324150955922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98514761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49257390 + 49257391.

It is an arithmetic number, because the mean of its divisors is an integer number (49257391).

Almost surely, 2^98514781 is an apocalyptic number.

It is an amenable number.

98514781 is a deficient number, since it is larger than the sum of its proper divisors (1).

98514781 is an equidigital number, since it uses as much as digits as its factorization.

98514781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 43.

The square root of 98514781 is about 9925.4612487279. The cubic root of 98514781 is about 461.8494868360.

The spelling of 98514781 in words is "ninety-eight million, five hundred fourteen thousand, seven hundred eighty-one".