238887541 has 2 divisors, whose sum is σ = 238887542. Its totient is φ = 238887540.

The previous prime is 238887527. The next prime is 238887559. The reversal of 238887541 is 145788832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205779025 + 33108516 = 14345^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 238887541 - 2⁹ = 238887029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238887491 and 238887500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238887521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119443770 + 119443771.

It is an arithmetic number, because the mean of its divisors is an integer number (119443771).

Almost surely, 2^238887541 is an apocalyptic number.

It is an amenable number.

238887541 is a deficient number, since it is larger than the sum of its proper divisors (1).

238887541 is an equidigital number, since it uses as much as digits as its factorization.

238887541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 46.

The square root of 238887541 is about 15455.9872217856. The cubic root of 238887541 is about 620.4848280244.

The spelling of 238887541 in words is "two hundred thirty-eight million, eight hundred eighty-seven thousand, five hundred forty-one".