25050565 has 16 divisors (see below), whose sum is σ = 31890816. Its totient is φ = 18849600.

The previous prime is 25050559. The next prime is 25050583. The reversal of 25050565 is 56505052.

It is not a de Polignac number, because 25050565 - 2⁵ = 25050533 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (1993176).

Almost surely, 2^25050565 is an apocalyptic number.

It is an amenable number.

25050565 is a deficient number, since it is larger than the sum of its proper divisors (6840251).

25050565 is a wasteful number, since it uses less digits than its factorization.

25050565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 25050565 is about 5005.0539457632. The cubic root of 25050565 is about 292.5987783364.

The spelling of 25050565 in words is "twenty-five million, fifty thousand, five hundred sixty-five".