10287481 has 2 divisors, whose sum is σ = 10287482. Its totient is φ = 10287480.

The previous prime is 10287469. The next prime is 10287491. The reversal of 10287481 is 18478201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 1731856 = 2925^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 10287481 - 2¹³ = 10279289 is a prime.

It is a super-2 number, since 2×10287481² = 211664530650722, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10287401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5143740 + 5143741.

It is an arithmetic number, because the mean of its divisors is an integer number (5143741).

Almost surely, 2^10287481 is an apocalyptic number.

It is an amenable number.

10287481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10287481 is an equidigital number, since it uses as much as digits as its factorization.

10287481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 10287481 is about 3207.4103261042. The cubic root of 10287481 is about 217.4885253998.

The spelling of 10287481 in words is "ten million, two hundred eighty-seven thousand, four hundred eighty-one".