10398425 has 6 divisors (see below), whose sum is σ = 12894078. Its totient is φ = 8318720.

The previous prime is 10398419. The next prime is 10398431. The reversal of 10398425 is 52489301.

It is an interprime number because it is at equal distance from previous prime (10398419) and next prime (10398431).

It can be written as a sum of positive squares in 3 ways, for example, as 1175056 + 9223369 = 1084^2 + 3037^2 .

It is not a de Polignac number, because 10398425 - 2¹⁸ = 10136281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10398391 and 10398400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207944 + ... + 207993.

It is an arithmetic number, because the mean of its divisors is an integer number (2149013).

Almost surely, 2^10398425 is an apocalyptic number.

It is an amenable number.

10398425 is a deficient number, since it is larger than the sum of its proper divisors (2495653).

10398425 is an equidigital number, since it uses as much as digits as its factorization.

10398425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415947 (or 415942 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 10398425 is about 3224.6588966897. The cubic root of 10398425 is about 218.2675571855.

The spelling of 10398425 in words is "ten million, three hundred ninety-eight thousand, four hundred twenty-five".