25135430 has 16 divisors (see below), whose sum is σ = 45817920. Its totient is φ = 9926592.

The previous prime is 25135417. The next prime is 25135441. The reversal of 25135430 is 3453152.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25135396 and 25135405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15119 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (2863620).

Almost surely, 2^25135430 is an apocalyptic number.

25135430 is a deficient number, since it is larger than the sum of its proper divisors (20682490).

25135430 is a wasteful number, since it uses less digits than its factorization.

25135430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31903.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25135430 is about 5013.5247082267. The cubic root of 25135430 is about 292.9288228835.

Adding to 25135430 its reverse (3453152), we get a palindrome (28588582).

The spelling of 25135430 in words is "twenty-five million, one hundred thirty-five thousand, four hundred thirty".