19231241 has 2 divisors, whose sum is σ = 19231242. Its totient is φ = 19231240.

The previous prime is 19231237. The next prime is 19231259. The reversal of 19231241 is 14213291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 395641 = 4340^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 19231241 - 2² = 19231237 is a prime.

It is not a weakly prime, because it can be changed into another prime (19231141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9615620 + 9615621.

It is an arithmetic number, because the mean of its divisors is an integer number (9615621).

Almost surely, 2^19231241 is an apocalyptic number.

It is an amenable number.

19231241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19231241 is an equidigital number, since it uses as much as digits as its factorization.

19231241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 19231241 is about 4385.3438861736. The cubic root of 19231241 is about 267.9183357403.

The spelling of 19231241 in words is "nineteen million, two hundred thirty-one thousand, two hundred forty-one".