98502661 has 2 divisors, whose sum is σ = 98502662. Its totient is φ = 98502660.

The previous prime is 98502659. The next prime is 98502667. The reversal of 98502661 is 16620589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 690561 = 9890^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 98502661 - 2¹ = 98502659 is a prime.

Together with 98502659, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98502661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98502667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49251330 + 49251331.

It is an arithmetic number, because the mean of its divisors is an integer number (49251331).

Almost surely, 2^98502661 is an apocalyptic number.

It is an amenable number.

98502661 is a deficient number, since it is larger than the sum of its proper divisors (1).

98502661 is an equidigital number, since it uses as much as digits as its factorization.

98502661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 98502661 is about 9924.8506789775. The cubic root of 98502661 is about 461.8305460392.

The spelling of 98502661 in words is "ninety-eight million, five hundred two thousand, six hundred sixty-one".