25265135 has 12 divisors (see below), whose sum is σ = 35268408. Its totient is φ = 17324496.

The previous prime is 25265131. The next prime is 25265147. The reversal of 25265135 is 53156252.

It is a happy number.

It is not a de Polignac number, because 25265135 - 2² = 25265131 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25265098 and 25265107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51317 + ... + 51806.

It is an arithmetic number, because the mean of its divisors is an integer number (2939034).

Almost surely, 2^25265135 is an apocalyptic number.

25265135 is a deficient number, since it is larger than the sum of its proper divisors (10003273).

25265135 is a wasteful number, since it uses less digits than its factorization.

25265135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103142 (or 103135 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 25265135 is about 5026.4435737408. The cubic root of 25265135 is about 293.4318202637.

The spelling of 25265135 in words is "twenty-five million, two hundred sixty-five thousand, one hundred thirty-five".