19413101 has 2 divisors, whose sum is σ = 19413102. Its totient is φ = 19413100.

The previous prime is 19413091. The next prime is 19413103. The reversal of 19413101 is 10131491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 9616201 = 3130^2 + 3101^2 .

It is an emirp because it is prime and its reverse (10131491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19413101 - 2¹⁴ = 19396717 is a prime.

Together with 19413103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19413103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9706550 + 9706551.

It is an arithmetic number, because the mean of its divisors is an integer number (9706551).

Almost surely, 2^19413101 is an apocalyptic number.

It is an amenable number.

19413101 is a deficient number, since it is larger than the sum of its proper divisors (1).

19413101 is an equidigital number, since it uses as much as digits as its factorization.

19413101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 19413101 is about 4406.0300725256. The cubic root of 19413101 is about 268.7602097437.

Adding to 19413101 its reverse (10131491), we get a palindrome (29544592).

The spelling of 19413101 in words is "nineteen million, four hundred thirteen thousand, one hundred one".