10102481 has 2 divisors, whose sum is σ = 10102482. Its totient is φ = 10102480.

The previous prime is 10102439. The next prime is 10102493. The reversal of 10102481 is 18420101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 982081 = 3020^2 + 991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10102481 is a prime.

It is a super-2 number, since 2×10102481² = 204120244710722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10105481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051240 + 5051241.

It is an arithmetic number, because the mean of its divisors is an integer number (5051241).

Almost surely, 2^10102481 is an apocalyptic number.

It is an amenable number.

10102481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102481 is an equidigital number, since it uses as much as digits as its factorization.

10102481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 10102481 is about 3178.4400261764. The cubic root of 10102481 is about 216.1769312203.

Adding to 10102481 its reverse (18420101), we get a palindrome (28522582).

The spelling of 10102481 in words is "ten million, one hundred two thousand, four hundred eighty-one".