103402425 has 48 divisors (see below), whose sum is σ = 197665920. Its totient is φ = 46717440.

The previous prime is 103402379. The next prime is 103402433. The reversal of 103402425 is 524204301.

It is not a de Polignac number, because 103402425 - 2¹¹ = 103400377 is a prime.

It is a super-2 number, since 2×103402425² = 21384122991761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45619 + ... + 47831.

It is an arithmetic number, because the mean of its divisors is an integer number (4118040).

Almost surely, 2^103402425 is an apocalyptic number.

103402425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103402425 is a deficient number, since it is larger than the sum of its proper divisors (94263495).

103402425 is a wasteful number, since it uses less digits than its factorization.

103402425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 103402425 is about 10168.6982942754. The cubic root of 103402425 is about 469.3645025173.

Adding to 103402425 its reverse (524204301), we get a palindrome (627606726).

The spelling of 103402425 in words is "one hundred three million, four hundred two thousand, four hundred twenty-five".