109898501 has 2 divisors, whose sum is σ = 109898502. Its totient is φ = 109898500.

The previous prime is 109898483. The next prime is 109898563. The reversal of 109898501 is 105898901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 32194276 = 8815^2 + 5674^2 .

It is an emirp because it is prime and its reverse (105898901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109898501 - 2¹⁰ = 109897477 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109898101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54949250 + 54949251.

It is an arithmetic number, because the mean of its divisors is an integer number (54949251).

Almost surely, 2^109898501 is an apocalyptic number.

It is an amenable number.

109898501 is a deficient number, since it is larger than the sum of its proper divisors (1).

109898501 is an equidigital number, since it uses as much as digits as its factorization.

109898501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 109898501 is about 10483.2485900125. The cubic root of 109898501 is about 478.9945693484.

It can be divided in two parts, 1098 and 98501, that added together give a palindrome (99599).

The spelling of 109898501 in words is "one hundred nine million, eight hundred ninety-eight thousand, five hundred one".