25705416 has 32 divisors (see below), whose sum is σ = 70106400. Its totient is φ = 7789440.

The previous prime is 25705403. The next prime is 25705429. The reversal of 25705416 is 61450752.

It is an interprime number because it is at equal distance from previous prime (25705403) and next prime (25705429).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48421 + ... + 48948.

It is an arithmetic number, because the mean of its divisors is an integer number (2190825).

Almost surely, 2^25705416 is an apocalyptic number.

It is an amenable number.

25705416 is an abundant number, since it is smaller than the sum of its proper divisors (44400984).

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

25705416 is a wasteful number, since it uses less digits than its factorization.

25705416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97389 (or 97385 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 25705416 is about 5070.0508873186. The cubic root of 25705416 is about 295.1265032472.

The spelling of 25705416 in words is "twenty-five million, seven hundred five thousand, four hundred sixteen".