102404525 has 12 divisors (see below), whose sum is σ = 127399584. Its totient is φ = 81654000.

The previous prime is 102404521. The next prime is 102404591. The reversal of 102404525 is 525404201.

It is a happy number.

It is not a de Polignac number, because 102404525 - 2² = 102404521 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102404525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102404521) 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 in 11 ways as a sum of consecutive naturals, for example, 1190 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (10616632).

Almost surely, 2^102404525 is an apocalyptic number.

It is an amenable number.

102404525 is a deficient number, since it is larger than the sum of its proper divisors (24995059).

102404525 is a wasteful number, since it uses less digits than its factorization.

102404525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492 (or 13487 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 102404525 is about 10119.5120929816. The cubic root of 102404525 is about 467.8497292523.

Adding to 102404525 its reverse (525404201), we get a palindrome (627808726).

The spelling of 102404525 in words is "one hundred two million, four hundred four thousand, five hundred twenty-five".