25530835 has 8 divisors (see below), whose sum is σ = 33422256. Its totient is φ = 18567840.

The previous prime is 25530833. The next prime is 25530847. The reversal of 25530835 is 53803552.

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

It is not a de Polignac number, because 25530835 - 2¹ = 25530833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25530797 and 25530806.

It is not an unprimeable number, because it can be changed into a prime (25530833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232044 + ... + 232153.

It is an arithmetic number, because the mean of its divisors is an integer number (4177782).

Almost surely, 2^25530835 is an apocalyptic number.

25530835 is a deficient number, since it is larger than the sum of its proper divisors (7891421).

25530835 is a wasteful number, since it uses less digits than its factorization.

25530835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464213.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25530835 is about 5052.8046667173. The cubic root of 25530835 is about 294.4568575387.

The spelling of 25530835 in words is "twenty-five million, five hundred thirty thousand, eight hundred thirty-five".