100385653 has 2 divisors, whose sum is σ = 100385654. Its totient is φ = 100385652.

The previous prime is 100385651. The next prime is 100385707. The reversal of 100385653 is 356583001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 19421649 = 8998^2 + 4407^2 .

It is an emirp because it is prime and its reverse (356583001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100385653 - 2¹ = 100385651 is a prime.

Together with 100385651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100385651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50192826 + 50192827.

It is an arithmetic number, because the mean of its divisors is an integer number (50192827).

Almost surely, 2^100385653 is an apocalyptic number.

It is an amenable number.

100385653 is a deficient number, since it is larger than the sum of its proper divisors (1).

100385653 is an equidigital number, since it uses as much as digits as its factorization.

100385653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 100385653 is about 10019.2640947327. The cubic root of 100385653 is about 464.7547988474.

The spelling of 100385653 in words is "one hundred million, three hundred eighty-five thousand, six hundred fifty-three".