25614563 has 8 divisors (see below), whose sum is σ = 29207808. Its totient is φ = 22253184.

The previous prime is 25614557. The next prime is 25614581. The reversal of 25614563 is 36541652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25614563 - 2¹⁴ = 25598179 is a prime.

It is a super-2 number, since 2×25614563² = 1312211675361938, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25614263) 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, 57731 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (3650976).

Almost surely, 2^25614563 is an apocalyptic number.

25614563 is a deficient number, since it is larger than the sum of its proper divisors (3593245).

25614563 is a wasteful number, since it uses less digits than its factorization.

25614563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115933.

The product of its digits is 21600, while the sum is 32.

The square root of 25614563 is about 5061.0831844577. The cubic root of 25614563 is about 294.7783952877.

The spelling of 25614563 in words is "twenty-five million, six hundred fourteen thousand, five hundred sixty-three".