102025481 has 2 divisors, whose sum is σ = 102025482. Its totient is φ = 102025480.

The previous prime is 102025439. The next prime is 102025501. The reversal of 102025481 is 184520201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 20394256 = 9035^2 + 4516^2 .

It is a cyclic number.

It is not a de Polignac number, because 102025481 - 2¹⁰ = 102024457 is a prime.

It is a super-2 number, since 2×102025481² = 20818397546562722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102025411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51012740 + 51012741.

It is an arithmetic number, because the mean of its divisors is an integer number (51012741).

Almost surely, 2^102025481 is an apocalyptic number.

It is an amenable number.

102025481 is a deficient number, since it is larger than the sum of its proper divisors (1).

102025481 is an equidigital number, since it uses as much as digits as its factorization.

102025481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 102025481 is about 10100.7663570642. The cubic root of 102025481 is about 467.2717766577.

Adding to 102025481 its reverse (184520201), we get a palindrome (286545682).

The spelling of 102025481 in words is "one hundred two million, twenty-five thousand, four hundred eighty-one".