25918368 has 48 divisors (see below), whose sum is σ = 77757120. Its totient is φ = 7405056.

The previous prime is 25918367. The next prime is 25918369. The reversal of 25918368 is 86381952.

It is an interprime number because it is at equal distance from previous prime (25918367) and next prime (25918369).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (25918367) 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 7 ways as a sum of consecutive naturals, for example, 18613 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (1619940).

Almost surely, 2^25918368 is an apocalyptic number.

25918368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25918368 is an abundant number, since it is smaller than the sum of its proper divisors (51838752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25918368 is a wasteful number, since it uses less digits than its factorization.

25918368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38589 (or 38581 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 25918368 is about 5091.0085444831. The cubic root of 25918368 is about 295.9392375885.

The spelling of 25918368 in words is "twenty-five million, nine hundred eighteen thousand, three hundred sixty-eight".