25011039 has 4 divisors (see below), whose sum is σ = 33348056. Its totient is φ = 16674024.

The previous prime is 25011023. The next prime is 25011043. The reversal of 25011039 is 93011052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25011039 - 2⁴ = 25011023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25011059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168504 + ... + 4168509.

It is an arithmetic number, because the mean of its divisors is an integer number (8337014).

Almost surely, 2^25011039 is an apocalyptic number.

25011039 is a deficient number, since it is larger than the sum of its proper divisors (8337017).

25011039 is an equidigital number, since it uses as much as digits as its factorization.

25011039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337016.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 25011039 is about 5001.1037781674. The cubic root of 25011039 is about 292.4448051307. Note that the first 3 decimals are identical.

The spelling of 25011039 in words is "twenty-five million, eleven thousand, thirty-nine".