103402525 has 12 divisors (see below), whose sum is σ = 128593332. Its totient is φ = 82480640.

The previous prime is 103402501. The next prime is 103402561. The reversal of 103402525 is 525204301.

It can be written as a sum of positive squares in 6 ways, for example, as 28164249 + 75238276 = 5307^2 + 8674^2 .

It is not a de Polignac number, because 103402525 - 2⁵ = 103402493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103402496 and 103402505.

It is a congruent number.

It is an unprimeable number.

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, 2967 + ... + 14683.

It is an arithmetic number, because the mean of its divisors is an integer number (10716111).

Almost surely, 2^103402525 is an apocalyptic number.

It is an amenable number.

103402525 is a deficient number, since it is larger than the sum of its proper divisors (25190807).

103402525 is a wasteful number, since it uses less digits than its factorization.

103402525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080 (or 12075 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 103402525 is about 10168.7032113244. The cubic root of 103402525 is about 469.3646538240.

Adding to 103402525 its reverse (525204301), we get a palindrome (628606826).

The spelling of 103402525 in words is "one hundred three million, four hundred two thousand, five hundred twenty-five".