103015481 has 2 divisors, whose sum is σ = 103015482. Its totient is φ = 103015480.

The previous prime is 103015439. The next prime is 103015531. The reversal of 103015481 is 184510301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61089856 + 41925625 = 7816^2 + 6475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103015481 is a prime.

It is a super-2 number, since 2×103015481² = 21224378651322722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103015981) 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, 51507740 + 51507741.

It is an arithmetic number, because the mean of its divisors is an integer number (51507741).

Almost surely, 2^103015481 is an apocalyptic number.

It is an amenable number.

103015481 is a deficient number, since it is larger than the sum of its proper divisors (1).

103015481 is an equidigital number, since it uses as much as digits as its factorization.

103015481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 103015481 is about 10149.6542305637. The cubic root of 103015481 is about 468.7782983568.

Adding to 103015481 its reverse (184510301), we get a palindrome (287525782).

The spelling of 103015481 in words is "one hundred three million, fifteen thousand, four hundred eighty-one".