98521793 has 2 divisors, whose sum is σ = 98521794. Its totient is φ = 98521792.

The previous prime is 98521757. The next prime is 98521807. The reversal of 98521793 is 39712589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 44249104 = 7367^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 98521793 - 2¹² = 98517697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98521993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49260896 + 49260897.

It is an arithmetic number, because the mean of its divisors is an integer number (49260897).

Almost surely, 2^98521793 is an apocalyptic number.

It is an amenable number.

98521793 is a deficient number, since it is larger than the sum of its proper divisors (1).

98521793 is an equidigital number, since it uses as much as digits as its factorization.

98521793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 98521793 is about 9925.8144753970. The cubic root of 98521793 is about 461.8604442840.

The spelling of 98521793 in words is "ninety-eight million, five hundred twenty-one thousand, seven hundred ninety-three".