25341287 has 4 divisors (see below), whose sum is σ = 25370016. Its totient is φ = 25312560.

The previous prime is 25341221. The next prime is 25341289. The reversal of 25341287 is 78214352.

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 25341287 - 2¹⁴ = 25324903 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 (25341289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12998 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (6342504).

Almost surely, 2^25341287 is an apocalyptic number.

25341287 is a deficient number, since it is larger than the sum of its proper divisors (28729).

25341287 is an equidigital number, since it uses as much as digits as its factorization.

25341287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728.

The product of its digits is 13440, while the sum is 32.

The square root of 25341287 is about 5034.0130115048. The cubic root of 25341287 is about 293.7263368897.

The spelling of 25341287 in words is "twenty-five million, three hundred forty-one thousand, two hundred eighty-seven".