25049129 has 8 divisors (see below), whose sum is σ = 28659840. Its totient is φ = 21446496.

The previous prime is 25049119. The next prime is 25049153. The reversal of 25049129 is 92194052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25049129 - 2⁴ = 25049113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25049095 and 25049104.

It is not an unprimeable number, because it can be changed into a prime (25049119) 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 7 ways as a sum of consecutive naturals, for example, 7877 + ... + 10589.

It is an arithmetic number, because the mean of its divisors is an integer number (3582480).

Almost surely, 2^25049129 is an apocalyptic number.

It is an amenable number.

25049129 is a deficient number, since it is larger than the sum of its proper divisors (3610711).

25049129 is a wasteful number, since it uses less digits than its factorization.

25049129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 25049129 is about 5004.9104887101. The cubic root of 25049129 is about 292.5931872466.

The spelling of 25049129 in words is "twenty-five million, forty-nine thousand, one hundred twenty-nine".