1398482425 has 6 divisors (see below), whose sum is σ = 1734118238. Its totient is φ = 1118785920.

The previous prime is 1398482419. The next prime is 1398482443. The reversal of 1398482425 is 5242848931.

It can be written as a sum of positive squares in 3 ways, for example, as 21609 + 1398460816 = 147^2 + 37396^2 .

It is not a de Polignac number, because 1398482425 - 2⁷ = 1398482297 is a prime.

It is a Duffinian number.

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, 27969624 + ... + 27969673.

Almost surely, 2^1398482425 is an apocalyptic number.

It is an amenable number.

1398482425 is a deficient number, since it is larger than the sum of its proper divisors (335635813).

1398482425 is an equidigital number, since it uses as much as digits as its factorization.

1398482425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55939307 (or 55939302 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 1398482425 is about 37396.2889201589. The cubic root of 1398482425 is about 1118.2845829946.

The spelling of 1398482425 in words is "one billion, three hundred ninety-eight million, four hundred eighty-two thousand, four hundred twenty-five".