25054129 has 4 divisors (see below), whose sum is σ = 25064176. Its totient is φ = 25044084.

The previous prime is 25054109. The next prime is 25054147. The reversal of 25054129 is 92145052.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25054129 - 2⁵ = 25054097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25054097 and 25054106.

It is not an unprimeable number, because it can be changed into a prime (25054109) 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, 1882 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (6266044).

Almost surely, 2^25054129 is an apocalyptic number.

It is an amenable number.

25054129 is a deficient number, since it is larger than the sum of its proper divisors (10047).

25054129 is an equidigital number, since it uses as much as digits as its factorization.

25054129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 25054129 is about 5005.4099732190. The cubic root of 25054129 is about 292.6126539063.

The spelling of 25054129 in words is "twenty-five million, fifty-four thousand, one hundred twenty-nine".