10251481 has 2 divisors, whose sum is σ = 10251482. Its totient is φ = 10251480.

The previous prime is 10251467. The next prime is 10251503. The reversal of 10251481 is 18415201.

It is an a-pointer prime, because the next prime (10251503) can be obtained adding 10251481 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10017225 + 234256 = 3165^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251481 - 2⁹ = 10250969 is a prime.

It is a super-2 number, since 2×10251481² = 210185725386722, 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 (10252481) 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, 5125740 + 5125741.

It is an arithmetic number, because the mean of its divisors is an integer number (5125741).

Almost surely, 2^10251481 is an apocalyptic number.

It is an amenable number.

10251481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251481 is an equidigital number, since it uses as much as digits as its factorization.

10251481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 10251481 is about 3201.7934037036. The cubic root of 10251481 is about 217.2345358611.

Adding to 10251481 its reverse (18415201), we get a palindrome (28666682).

The spelling of 10251481 in words is "ten million, two hundred fifty-one thousand, four hundred eighty-one".