25363391 has 4 divisors (see below), whose sum is σ = 25475352. Its totient is φ = 25251432.

The previous prime is 25363381. The next prime is 25363433. The reversal of 25363391 is 19336352.

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 25363391 - 2¹⁰ = 25362367 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 (25363361) 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, 55640 + ... + 56093.

It is an arithmetic number, because the mean of its divisors is an integer number (6368838).

Almost surely, 2^25363391 is an apocalyptic number.

25363391 is a deficient number, since it is larger than the sum of its proper divisors (111961).

25363391 is a wasteful number, since it uses less digits than its factorization.

25363391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111960.

The product of its digits is 14580, while the sum is 32.

The square root of 25363391 is about 5036.2079980874. The cubic root of 25363391 is about 293.8117132449.

The spelling of 25363391 in words is "twenty-five million, three hundred sixty-three thousand, three hundred ninety-one".