2001424025 has 48 divisors (see below), whose sum is σ = 2675078784. Its totient is φ = 1480135680.

The previous prime is 2001423967. The next prime is 2001424031. The reversal of 2001424025 is 5204241002.

It is a happy number.

It is not a de Polignac number, because 2001424025 - 2⁶ = 2001423961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001423988 and 2001424006.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11568839 + ... + 11569011.

It is an arithmetic number, because the mean of its divisors is an integer number (55730808).

Almost surely, 2^2001424025 is an apocalyptic number.

2001424025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001424025 is a deficient number, since it is larger than the sum of its proper divisors (673654759).

2001424025 is a wasteful number, since it uses less digits than its factorization.

2001424025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2001424025 is about 44737.2778005099. The cubic root of 2001424025 is about 1260.2200054649.

Adding to 2001424025 its reverse (5204241002), we get a palindrome (7205665027).

The spelling of 2001424025 in words is "two billion, one million, four hundred twenty-four thousand, twenty-five".