19552441 has 2 divisors, whose sum is σ = 19552442. Its totient is φ = 19552440.

The previous prime is 19552439. The next prime is 19552451. The reversal of 19552441 is 14425591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 1946025 = 4196^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 19552441 - 2¹ = 19552439 is a prime.

Together with 19552439, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19552451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9776220 + 9776221.

It is an arithmetic number, because the mean of its divisors is an integer number (9776221).

Almost surely, 2^19552441 is an apocalyptic number.

It is an amenable number.

19552441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19552441 is an equidigital number, since it uses as much as digits as its factorization.

19552441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 19552441 is about 4421.8142204303. The cubic root of 19552441 is about 269.4016975852.

Subtracting from 19552441 its product of digits (7200), we obtain a square (19545241 = 4421²).

The spelling of 19552441 in words is "nineteen million, five hundred fifty-two thousand, four hundred forty-one".