25835530 has 16 divisors (see below), whose sum is σ = 53147520. Its totient is φ = 8857872.

The previous prime is 25835527. The next prime is 25835531. The reversal of 25835530 is 3553852.

It is a super-2 number, since 2×25835530² = 1334949220761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25835492 and 25835501.

It is not an unprimeable number, because it can be changed into a prime (25835531) 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, 184470 + ... + 184609.

It is an arithmetic number, because the mean of its divisors is an integer number (3321720).

Almost surely, 2^25835530 is an apocalyptic number.

25835530 is an abundant number, since it is smaller than the sum of its proper divisors (27311990).

25835530 is a wasteful number, since it uses less digits than its factorization.

25835530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369093.

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

The square root of 25835530 is about 5082.8663173450. The cubic root of 25835530 is about 295.6236161392.

The spelling of 25835530 in words is "twenty-five million, eight hundred thirty-five thousand, five hundred thirty".