25601030 has 48 divisors (see below), whose sum is σ = 57743280. Its totient is φ = 8100288.

The previous prime is 25601021. The next prime is 25601033. The reversal of 25601030 is 3010652.

25601030 = 676² + 677² + ... + 727².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25601033) 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, 4361 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (1202985).

Almost surely, 2^25601030 is an apocalyptic number.

25601030 is an abundant number, since it is smaller than the sum of its proper divisors (32142250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25601030 is a wasteful number, since it uses less digits than its factorization.

25601030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25601030 is about 5059.7460410578. The cubic root of 25601030 is about 294.7264724970.

Adding to 25601030 its reverse (3010652), we get a palindrome (28611682).

The spelling of 25601030 in words is "twenty-five million, six hundred one thousand, thirty".