102501481 has 2 divisors, whose sum is σ = 102501482. Its totient is φ = 102501480.

The previous prime is 102501463. The next prime is 102501499. The reversal of 102501481 is 184105201.

It is a balanced prime because it is at equal distance from previous prime (102501463) and next prime (102501499).

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 14891881 = 9360^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 102501481 - 2⁹ = 102500969 is a prime.

It is a super-2 number, since 2×102501481² = 21013107214386722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102501781) 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, 51250740 + 51250741.

It is an arithmetic number, because the mean of its divisors is an integer number (51250741).

Almost surely, 2^102501481 is an apocalyptic number.

It is an amenable number.

102501481 is a deficient number, since it is larger than the sum of its proper divisors (1).

102501481 is an equidigital number, since it uses as much as digits as its factorization.

102501481 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 102501481 is about 10124.3015067707. The cubic root of 102501481 is about 467.9973351323.

Adding to 102501481 its reverse (184105201), we get a palindrome (286606682).

The spelling of 102501481 in words is "one hundred two million, five hundred one thousand, four hundred eighty-one".