102425 has 12 divisors (see below), whose sum is σ = 135036. Its totient is φ = 76800.

The previous prime is 102409. The next prime is 102433. The reversal of 102425 is 524201.

102425 = T₆₀ + T₆₁ + ... + T₉₃.

102425 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 1936 + 100489 = 44^2 + 317^2 .

It is not a de Polignac number, because 102425 - 2⁴ = 102409 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305 + ... + 545.

It is an arithmetic number, because the mean of its divisors is an integer number (11253).

2¹⁰²⁴²⁵ is an apocalyptic number.

It is an amenable number.

102425 is a deficient number, since it is larger than the sum of its proper divisors (32611).

102425 is a wasteful number, since it uses less digits than its factorization.

102425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 102425 is about 320.0390601161. The cubic root of 102425 is about 46.7880908164.

Adding to 102425 its reverse (524201), we get a palindrome (626626).

It can be divided in two parts, 1024 and 25, that multiplied together give a square (25600 = 160²).

The spelling of 102425 in words is "one hundred two thousand, four hundred twenty-five".