101468509 has 2 divisors, whose sum is σ = 101468510. Its totient is φ = 101468508.

The previous prime is 101468503. The next prime is 101468551. The reversal of 101468509 is 905864101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 3161284 = 9915^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 101468509 - 2¹¹ = 101466461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101468503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50734254 + 50734255.

It is an arithmetic number, because the mean of its divisors is an integer number (50734255).

Almost surely, 2^101468509 is an apocalyptic number.

It is an amenable number.

101468509 is a deficient number, since it is larger than the sum of its proper divisors (1).

101468509 is an equidigital number, since it uses as much as digits as its factorization.

101468509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 101468509 is about 10073.1578464750. The cubic root of 101468509 is about 466.4199230187.

The spelling of 101468509 in words is "one hundred one million, four hundred sixty-eight thousand, five hundred nine".