1005023502425 has 24 divisors (see below), whose sum is σ = 1272947847552. Its totient is φ = 786786392000.

The previous prime is 1005023502421. The next prime is 1005023502433. The reversal of 1005023502425 is 5242053205001.

It is not a de Polignac number, because 1005023502425 - 2² = 1005023502421 is a prime.

It is a super-2 number, since 2×1005023502425² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005023502421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7667690 + ... + 7797660.

It is an arithmetic number, because the mean of its divisors is an integer number (53039493648).

Almost surely, 2^{1005023502425} is an apocalyptic number.

It is an amenable number.

1005023502425 is a deficient number, since it is larger than the sum of its proper divisors (267924345127).

1005023502425 is a wasteful number, since it uses less digits than its factorization.

1005023502425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136609 (or 136604 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 1005023502425 its reverse (5242053205001), we get a palindrome (6247076707426).

The spelling of 1005023502425 in words is "one trillion, five billion, twenty-three million, five hundred two thousand, four hundred twenty-five".