287672941 has 2 divisors, whose sum is σ = 287672942. Its totient is φ = 287672940.

The previous prime is 287672927. The next prime is 287672951. The reversal of 287672941 is 149276782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189860841 + 97812100 = 13779^2 + 9890^2 .

It is a cyclic number.

It is not a de Polignac number, because 287672941 - 2⁷ = 287672813 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 287672891 and 287672900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287672911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143836470 + 143836471.

It is an arithmetic number, because the mean of its divisors is an integer number (143836471).

Almost surely, 2^287672941 is an apocalyptic number.

It is an amenable number.

287672941 is a deficient number, since it is larger than the sum of its proper divisors (1).

287672941 is an equidigital number, since it uses as much as digits as its factorization.

287672941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 287672941 is about 16960.9239429932. The cubic root of 287672941 is about 660.1353724462.

The spelling of 287672941 in words is "two hundred eighty-seven million, six hundred seventy-two thousand, nine hundred forty-one".