286240541 has 2 divisors, whose sum is σ = 286240542. Its totient is φ = 286240540.

The previous prime is 286240499. The next prime is 286240553. The reversal of 286240541 is 145042682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 40691641 = 15670^2 + 6379^2 .

It is a cyclic number.

It is not a de Polignac number, because 286240541 - 2¹⁰ = 286239517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286240498 and 286240507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286240841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143120270 + 143120271.

It is an arithmetic number, because the mean of its divisors is an integer number (143120271).

Almost surely, 2^286240541 is an apocalyptic number.

It is an amenable number.

286240541 is a deficient number, since it is larger than the sum of its proper divisors (1).

286240541 is an equidigital number, since it uses as much as digits as its factorization.

286240541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 286240541 is about 16918.6447743311. The cubic root of 286240541 is about 659.0378857332.

The spelling of 286240541 in words is "two hundred eighty-six million, two hundred forty thousand, five hundred forty-one".