1002456425 has 12 divisors (see below), whose sum is σ = 1316166876. Its totient is φ = 754790400.

The previous prime is 1002456407. The next prime is 1002456439. The reversal of 1002456425 is 5246542001.

It can be written as a sum of positive squares in 6 ways, for example, as 22202944 + 980253481 = 4712^2 + 31309^2 .

It is not a de Polignac number, because 1002456425 - 2¹² = 1002452329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178936 + ... + 1179785.

It is an arithmetic number, because the mean of its divisors is an integer number (109680573).

Almost surely, 2^1002456425 is an apocalyptic number.

It is an amenable number.

1002456425 is a deficient number, since it is larger than the sum of its proper divisors (313710451).

1002456425 is a wasteful number, since it uses less digits than its factorization.

1002456425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358748 (or 2358743 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1002456425 is about 31661.5922688673. The cubic root of 1002456425 is about 1000.8181387997.

Adding to 1002456425 its reverse (5246542001), we get a palindrome (6248998426).

The spelling of 1002456425 in words is "one billion, two million, four hundred fifty-six thousand, four hundred twenty-five".