25065129 has 4 divisors (see below), whose sum is σ = 33420176. Its totient is φ = 16710084.

The previous prime is 25065127. The next prime is 25065137. The reversal of 25065129 is 92156052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25065129 - 2¹ = 25065127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25065096 and 25065105.

It is not an unprimeable number, because it can be changed into a prime (25065127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177519 + ... + 4177524.

It is an arithmetic number, because the mean of its divisors is an integer number (8355044).

Almost surely, 2^25065129 is an apocalyptic number.

It is an amenable number.

25065129 is a deficient number, since it is larger than the sum of its proper divisors (8355047).

25065129 is an equidigital number, since it uses as much as digits as its factorization.

25065129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355046.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 25065129 is about 5006.5086637296. The cubic root of 25065129 is about 292.6554714427.

The spelling of 25065129 in words is "twenty-five million, sixty-five thousand, one hundred twenty-nine".