287012941 has 2 divisors, whose sum is σ = 287012942. Its totient is φ = 287012940.

The previous prime is 287012933. The next prime is 287012951. The reversal of 287012941 is 149210782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199515625 + 87497316 = 14125^2 + 9354^2 .

It is a cyclic number.

It is not a de Polignac number, because 287012941 - 2³ = 287012933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 287012897 and 287012906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287012951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143506470 + 143506471.

It is an arithmetic number, because the mean of its divisors is an integer number (143506471).

Almost surely, 2^287012941 is an apocalyptic number.

It is an amenable number.

287012941 is a deficient number, since it is larger than the sum of its proper divisors (1).

287012941 is an equidigital number, since it uses as much as digits as its factorization.

287012941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 287012941 is about 16941.4562833305. The cubic root of 287012941 is about 659.6301424834.

The spelling of 287012941 in words is "two hundred eighty-seven million, twelve thousand, nine hundred forty-one".