25355459 has 4 divisors (see below), whose sum is σ = 25368504. Its totient is φ = 25342416.

The previous prime is 25355431. The next prime is 25355503. The reversal of 25355459 is 95455352.

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 25355459 - 2¹² = 25351363 is a prime.

It is a super-2 number, since 2×25355459² = 1285798602201362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25357459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (6342126).

Almost surely, 2^25355459 is an apocalyptic number.

25355459 is a deficient number, since it is larger than the sum of its proper divisors (13045).

25355459 is a wasteful number, since it uses less digits than its factorization.

25355459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044.

The product of its digits is 135000, while the sum is 38.

The square root of 25355459 is about 5035.4204392483. The cubic root of 25355459 is about 293.7810817270.

The spelling of 25355459 in words is "twenty-five million, three hundred fifty-five thousand, four hundred fifty-nine".