25125435 has 12 divisors (see below), whose sum is σ = 43550832. Its totient is φ = 13400208.

The previous prime is 25125433. The next prime is 25125461. The reversal of 25125435 is 53452152.

It is a happy number.

It is not a de Polignac number, because 25125435 - 2¹ = 25125433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25125399 and 25125408.

It is not an unprimeable number, because it can be changed into a prime (25125433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279127 + ... + 279216.

It is an arithmetic number, because the mean of its divisors is an integer number (3629236).

Almost surely, 2^25125435 is an apocalyptic number.

25125435 is a deficient number, since it is larger than the sum of its proper divisors (18425397).

25125435 is a wasteful number, since it uses less digits than its factorization.

25125435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558354 (or 558351 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25125435 is about 5012.5278054092. The cubic root of 25125435 is about 292.8899904234.

Adding to 25125435 its reverse (53452152), we get a palindrome (78577587).

The spelling of 25125435 in words is "twenty-five million, one hundred twenty-five thousand, four hundred thirty-five".