10421425 has 48 divisors (see below), whose sum is σ = 16284672. Its totient is φ = 6451200.

The previous prime is 10421417. The next prime is 10421429. The reversal of 10421425 is 52412401.

It is not a de Polignac number, because 10421425 - 2³ = 10421417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10421429) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 92169 + ... + 92281.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^10421425 is an apocalyptic number.

It is an amenable number.

10421425 is a deficient number, since it is larger than the sum of its proper divisors (5863247).

10421425 is a wasteful number, since it uses less digits than its factorization.

10421425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10421425 is about 3228.2231955055. The cubic root of 10421425 is about 218.4283654182.

Adding to 10421425 its reverse (52412401), we get a palindrome (62833826).

The spelling of 10421425 in words is "ten million, four hundred twenty-one thousand, four hundred twenty-five".