2560531025 has 24 divisors (see below), whose sum is σ = 3529607424. Its totient is φ = 1829851200.

The previous prime is 2560531021. The next prime is 2560531033. The reversal of 2560531025 is 5201350652.

It is a happy number.

It is not a de Polignac number, because 2560531025 - 2² = 2560531021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2560531021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116999 + ... + 137148.

It is an arithmetic number, because the mean of its divisors is an integer number (147066976).

Almost surely, 2^2560531025 is an apocalyptic number.

2560531025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2560531025 is a deficient number, since it is larger than the sum of its proper divisors (969076399).

2560531025 is a wasteful number, since it uses less digits than its factorization.

2560531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254201 (or 254196 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2560531025 is about 50601.6899421353. The cubic root of 2560531025 is about 1368.0753382996.

Adding to 2560531025 its reverse (5201350652), we get a palindrome (7761881677).

The spelling of 2560531025 in words is "two billion, five hundred sixty million, five hundred thirty-one thousand, twenty-five".