25530963 has 8 divisors (see below), whose sum is σ = 34066368. Its totient is φ = 17008104.

The previous prime is 25530941. The next prime is 25530977. The reversal of 25530963 is 36903552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25530963 - 2⁶ = 25530899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25530913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3820 + ... + 8102.

It is an arithmetic number, because the mean of its divisors is an integer number (4258296).

Almost surely, 2^25530963 is an apocalyptic number.

25530963 is a deficient number, since it is larger than the sum of its proper divisors (8535405).

25530963 is a wasteful number, since it uses less digits than its factorization.

25530963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273.

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

The square root of 25530963 is about 5052.8173329342. The cubic root of 25530963 is about 294.4573496289.

The spelling of 25530963 in words is "twenty-five million, five hundred thirty thousand, nine hundred sixty-three".