102425535 has 24 divisors (see below), whose sum is σ = 183661920. Its totient is φ = 52742592.

The previous prime is 102425507. The next prime is 102425537. The reversal of 102425535 is 535524201.

It is a happy number.

102425535 is a `hidden beast` number, since 102 + 4 + 2 + 553 + 5 = 666.

It is not a de Polignac number, because 102425535 - 2⁶ = 102425471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102425499 and 102425508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102425537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37939 + ... + 40548.

It is an arithmetic number, because the mean of its divisors is an integer number (7652580).

Almost surely, 2^102425535 is an apocalyptic number.

102425535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102425535 is a deficient number, since it is larger than the sum of its proper divisors (81236385).

102425535 is a wasteful number, since it uses less digits than its factorization.

102425535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78527 (or 78524 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 102425535 is about 10120.5501332684. The cubic root of 102425535 is about 467.8817227951.

Adding to 102425535 its reverse (535524201), we get a palindrome (637949736).

The spelling of 102425535 in words is "one hundred two million, four hundred twenty-five thousand, five hundred thirty-five".