25538253 has 8 divisors (see below), whose sum is σ = 36670368. Its totient is φ = 15715824.

The previous prime is 25538237. The next prime is 25538263. The reversal of 25538253 is 35283552.

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

It is not a de Polignac number, because 25538253 - 2⁴ = 25538237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25538213) 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, 327375 + ... + 327452.

It is an arithmetic number, because the mean of its divisors is an integer number (4583796).

Almost surely, 2^25538253 is an apocalyptic number.

It is an amenable number.

25538253 is a deficient number, since it is larger than the sum of its proper divisors (11132115).

25538253 is a wasteful number, since it uses less digits than its factorization.

25538253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654843.

The product of its digits is 36000, while the sum is 33.

The square root of 25538253 is about 5053.5386611759. The cubic root of 25538253 is about 294.4853729849.

The spelling of 25538253 in words is "twenty-five million, five hundred thirty-eight thousand, two hundred fifty-three".