1001245425 has 12 divisors (see below), whose sum is σ = 1655392560. Its totient is φ = 533997520.

The previous prime is 1001245403. The next prime is 1001245477. The reversal of 1001245425 is 5245421001.

It is not a de Polignac number, because 1001245425 - 2²⁰ = 1000196849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001245395 and 1001245404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6674895 + ... + 6675044.

It is an arithmetic number, because the mean of its divisors is an integer number (137949380).

Almost surely, 2^1001245425 is an apocalyptic number.

1001245425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001245425 is a deficient number, since it is larger than the sum of its proper divisors (654147135).

1001245425 is a wasteful number, since it uses less digits than its factorization.

1001245425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349952 (or 13349947 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1001245425 is about 31642.4623725778. The cubic root of 1001245425 is about 1000.4149694432.

Adding to 1001245425 its reverse (5245421001), we get a palindrome (6246666426).

The spelling of 1001245425 in words is "one billion, one million, two hundred forty-five thousand, four hundred twenty-five".