102469825 has 6 divisors (see below), whose sum is σ = 127062614. Its totient is φ = 81975840.

The previous prime is 102469811. The next prime is 102469837. The reversal of 102469825 is 528964201.

It can be written as a sum of positive squares in 3 ways, for example, as 9096256 + 93373569 = 3016^2 + 9663^2 .

It is not a de Polignac number, because 102469825 - 2⁹ = 102469313 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2049372 + ... + 2049421.

Almost surely, 2^102469825 is an apocalyptic number.

It is an amenable number.

102469825 is a deficient number, since it is larger than the sum of its proper divisors (24592789).

102469825 is an equidigital number, since it uses as much as digits as its factorization.

102469825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098803 (or 4098798 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 102469825 is about 10122.7380189354. The cubic root of 102469825 is about 467.9491522544.

The spelling of 102469825 in words is "one hundred two million, four hundred sixty-nine thousand, eight hundred twenty-five".