19952411 has 2 divisors, whose sum is σ = 19952412. Its totient is φ = 19952410.

The previous prime is 19952389. The next prime is 19952417. The reversal of 19952411 is 11425991.

It is a strong prime.

It is an emirp because it is prime and its reverse (11425991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19952411 is a prime.

It is not a weakly prime, because it can be changed into another prime (19952417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9976205 + 9976206.

It is an arithmetic number, because the mean of its divisors is an integer number (9976206).

Almost surely, 2^19952411 is an apocalyptic number.

19952411 is a deficient number, since it is larger than the sum of its proper divisors (1).

19952411 is an equidigital number, since it uses as much as digits as its factorization.

19952411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 19952411 is about 4466.8121742469. The cubic root of 19952411 is about 271.2262966397.

The spelling of 19952411 in words is "nineteen million, nine hundred fifty-two thousand, four hundred eleven".