25973039 has 4 divisors (see below), whose sum is σ = 26413320. Its totient is φ = 25532760.

The previous prime is 25973029. The next prime is 25973047. The reversal of 25973039 is 93037952.

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

It is a cyclic number.

It is not a de Polignac number, because 25973039 - 2⁸ = 25972783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25972993 and 25973011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25973029) 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, 220052 + ... + 220169.

It is an arithmetic number, because the mean of its divisors is an integer number (6603330).

Almost surely, 2^25973039 is an apocalyptic number.

25973039 is a deficient number, since it is larger than the sum of its proper divisors (440281).

25973039 is an equidigital number, since it uses as much as digits as its factorization.

25973039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440280.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 25973039 is about 5096.3750843124. The cubic root of 25973039 is about 296.1471716094.

The spelling of 25973039 in words is "twenty-five million, nine hundred seventy-three thousand, thirty-nine".