25725459 has 8 divisors (see below), whose sum is σ = 34355152. Its totient is φ = 17123040.

The previous prime is 25725457. The next prime is 25725461. The reversal of 25725459 is 95452752.

It is an interprime number because it is at equal distance from previous prime (25725457) and next prime (25725461).

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

It is not a de Polignac number, because 25725459 - 2¹ = 25725457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25725451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (4294394).

Almost surely, 2^25725459 is an apocalyptic number.

25725459 is a deficient number, since it is larger than the sum of its proper divisors (8629693).

25725459 is a wasteful number, since it uses less digits than its factorization.

25725459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637.

The product of its digits is 126000, while the sum is 39.

The square root of 25725459 is about 5072.0271095490. The cubic root of 25725459 is about 295.2031885621.

The spelling of 25725459 in words is "twenty-five million, seven hundred twenty-five thousand, four hundred fifty-nine".