25963530 has 32 divisors (see below), whose sum is σ = 62640000. Its totient is φ = 6887232.

The previous prime is 25963507. The next prime is 25963549. The reversal of 25963530 is 3536952.

It is a junction number, because it is equal to n+sod(n) for n = 25963491 and 25963500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 8144.

It is an arithmetic number, because the mean of its divisors is an integer number (1957500).

Almost surely, 2^25963530 is an apocalyptic number.

25963530 is an abundant number, since it is smaller than the sum of its proper divisors (36676470).

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

25963530 is a wasteful number, since it uses less digits than its factorization.

25963530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 25963530 is about 5095.4420809190. The cubic root of 25963530 is about 296.1110263437. Note that the first 3 decimals are identical.

The spelling of 25963530 in words is "twenty-five million, nine hundred sixty-three thousand, five hundred thirty".