101450389 has 2 divisors, whose sum is σ = 101450390. Its totient is φ = 101450388.

The previous prime is 101450369. The next prime is 101450431. The reversal of 101450389 is 983054101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 10400625 = 9542^2 + 3225^2 .

It is a cyclic number.

It is not a de Polignac number, because 101450389 - 2⁵ = 101450357 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101450389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101450369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50725194 + 50725195.

It is an arithmetic number, because the mean of its divisors is an integer number (50725195).

Almost surely, 2^101450389 is an apocalyptic number.

It is an amenable number.

101450389 is a deficient number, since it is larger than the sum of its proper divisors (1).

101450389 is an equidigital number, since it uses as much as digits as its factorization.

101450389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 101450389 is about 10072.2583862806. The cubic root of 101450389 is about 466.3921573200.

The spelling of 101450389 in words is "one hundred one million, four hundred fifty thousand, three hundred eighty-nine".