319541 has 2 divisors, whose sum is σ = 319542. Its totient is φ = 319540.

The previous prime is 319519. The next prime is 319547. The reversal of 319541 is 145913.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 64516 = 505^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 319541 - 2⁶ = 319477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319541.

It is not a weakly prime, because it can be changed into another prime (319547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159770 + 159771.

It is an arithmetic number, because the mean of its divisors is an integer number (159771).

2³¹⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

319541 is a deficient number, since it is larger than the sum of its proper divisors (1).

319541 is an equidigital number, since it uses as much as digits as its factorization.

319541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 319541 is about 565.2795768467. The cubic root of 319541 is about 68.3663189284.

The spelling of 319541 in words is "three hundred nineteen thousand, five hundred forty-one".